801 opal avenue - san bernardino county, california · 2018-07-20 · 801 opal avenue mobile source...

801 Opal Avenue MOBILE SOURCE DIESEL HEALTH RISK ASSESSMENT COUNTY OF SAN BERNARDINO

PREPARED BY:

Haseeb Qureshi

[email protected]

(949) 336-5987

MAY 31, 2017

10957-02 HRA Report

801 Opal Avenue Mobile Source Diesel Health Risk Assessment

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TABLE OF CONTENTS

TABLE OF CONTENTS ........................................................................................................................... I APPENDICES ...................................................................................................................................... II LIST OF EXHIBITS ............................................................................................................................... III LIST OF TABLES ................................................................................................................................. III LIST OF ABBREVIATED TERMS ........................................................................................................... IV EXECUTIVE SUMMARY ....................................................................................................................... 5 1 INTRODUCTION ......................................................................................................................... 8

1.1 Site Location .................................................................................................................................. 9 1.2 Project Description ...................................................................................................................... 10

2 BACKGROUND ......................................................................................................................... 13

2.1 Emissions Estimation .................................................................................................................. 13 2.2 Exposure Quantification ............................................................................................................. 18 2.3 Carcinogenic Chemical Risk ......................................................................................................... 20 2.4 Non-carcinogenic Exposures ....................................................................................................... 21 2.5 Potential Project-Related DPM Source Cancer and Non-Cancer Risks ....................................... 22

3 REFERENCES ............................................................................................................................ 24 4 CERTIFICATION ........................................................................................................................ 26


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APPENDICES

APPENDIX 2.1: AERMOD MODEL INPUT/OUTPUT APPENDIX 2.2: RISK CALCULATIONS APPENDIX 2.3: DPM EMISSIONS FROM PROJECT


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LIST OF EXHIBITS

EXHIBIT 1-A: LOCATION MAP ........................................................................................................... 11 EXHIBIT 1-B: SITE PLAN .................................................................................................................... 12 EXHIBIT 2-C: MODELED EMISSION SOURCES ..................................................................................... 17

LIST OF TABLES

TABLE ES-1: SUMMARY OF RISK ATTRIBUTABLE TO THE PROJECT ....................................................... 6 TABLE 1-1: LIFETIME RISK COMPARISON ............................................................................................ 9 TABLE 2-1: WEIGHTED AVERAGE DPM EMISSIONS FACTORS ............................................................. 15 TABLE 2-2: AERMOD MODEL PARAMETERS ....................................................................................... 19 TABLE 2-3: EXPOSURE ASSUMPTIONS FOR INDIVIDUAL CANCER RISK ................................................ 20


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LIST OF ABBREVIATED TERMS

(1) Reference

µg Microgram AERMOD Atmospheric Dispersion Modeling System

APS Auxiliary Power System

AQMD Air Quality Management District

ARB Air Resources Board

CEQA California Environmental Quality Act

CPF Cancer Potency Factor

DPM Diesel Particulate Matter

EMFAC Emission Factor Model

EPA Environmental Protection Agency

HHD Heavy Heavy-Duty

HI Hazard Index

HRA Health Risk Assessment

LHD Light Heavy-Duty

MATES Multiple Air Toxics Exposure Study

MEIR Maximally Exposed Individual Receptor

MEIW Maximally Exposed Individual Worker

MHD Medium Heavy-Duty

NAD North American Datum

OEHHA Office of Environmental Health Hazard

PCE Passenger Car Equivalent

PM10 Particulate Matter 10 microns in diameter or less

Project 801 Opal Avenue

REL Reference Exposure Level

RM Recommended Measures

SCAQMD South Coast Air Quality Management District

SRA Source Receptor Area

TAC Toxic Air Contaminant

URF Unit Risk Factor

UTM Universal Transverse Mercator

VMT Vehicle Miles Traveled


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EXECUTIVE SUMMARY This report evaluated the potential mobile source health risk impacts to sensitive receptors (residents and schools) and adjacent workers associated with the development of the proposed Project, more specifically, health risk impacts as a result of exposure to diesel particulate matter (DPM) as a result of heavy-duty diesel trucks accessing the site. This section summarizes the findings of this report. The results of the health risk assessment of lifetime cancer risk from Project-generated DPM emissions are provided in Table ES-1 below.

Residential Exposure Scenario:

The residential land use with the greatest potential exposure to Project DPM source emissions is an existing residential home located adjacent to the east of the Project site. At the maximally exposed individual receptor (MEIR), the maximum incremental cancer risk attributable to Project DPM source emissions is estimated at 1.12 in one million, which is less than the SCAQMD threshold of 10 in one million. At this same location, non-cancer risks were estimated to be 0.0007, which would not exceed the applicable threshold of 1.0. As such, the Project will not cause a significant human health or cancer risk to adjacent residences.

Worker Exposure Scenario:

The worker receptor land use with the greatest potential exposure to Project DPM source emissions is located immediately adjacent to the north of the Project site. At the maximally exposed worker (MEIW), the maximum incremental cancer risk impact at this location is 0.25 in one million which is less than the threshold of 10 in one million. At this same location, non-cancer risks were estimated to be 0.001, which would not exceed the applicable threshold of 1.0. As such, the Project will not cause a significant human health or cancer risk to adjacent workers.

School Child Exposure Scenario:

The school site land use with the greatest potential exposure to Project DPM source emissions is located at the Redlands East Valley High School which is located immediately sout of the Project site. It should be noted that there may be other schools in the general vicinity of the Project, however, any impacts at other schools would be less than what has been disclosed for the Redlands East Valley High School. At the maximally exposed individual school child (MEISC), the maximum incremental cancer risk impact at this location is 0.25 in one million which is less than the threshold of 10 in one million. Maximum non-cancer risks at this same location were estimated to be 0.001 which would not exceed the applicable threshold of 1.0.



TABLE ES-1: SUMMARY OF RISK ATTRIBUTABLE TO THE PROJECT

Time Period Location Maximum Lifetime

Cancer Risk (Risk per Million)

Significance Threshold

(Risk per Million)

Exceeds Significance Threshold

70 Year Exposure (2018 to 2087)

Maximum Exposed Sensitive Receptor

1.12 10 NO


Maximum Exposed Worker Receptor

0.34 10 NO


Maximum Exposed School Child 0.25 10 NO

Time Period Location Maximum

Hazard Index Significance Threshold

Exceeds Significance Threshold


Maximum Exposed Sensitive Receptor

0.0007 1.0 NO


Maximum Exposed Worker Receptor

0.001 1.0 NO


Maximum Exposed School Child 0.001 1.0 NO



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1 INTRODUCTION

The purpose of this Health Risk Assessment (HRA) is to evaluate Project-related impacts to sensitive receptors (residential, schools) and adjacent workers as a result of heavy-duty diesel trucks accessing the site.

This document also serves to meet the SCAQMD’s typical request for preparation of an HRA for projects that generate/attract diesel-fueled trucks which emit diesel particulate matter (DPM). The mobile source HRA has been prepared in accordance with the document Health Risk Assessment Guidance for Analyzing Cancer Risk from Mobile Source Diesel Idling Emissions for CEQA Air Quality Analysis (1). Cancer risk is expressed in terms of expected incremental incidence per million population. The SCAQMD has established an incidence rate of 10 persons per million as the maximum acceptable incremental cancer risk due to DPM exposure. This threshold serves to determine whether or not a given project has a potentially significant development-specific and cumulative impact. The 10 in one million standard is a very health-protective significance threshold. A risk level of 10 in one million implies a likelihood that up to 10 persons, out of one million equally exposed people would contract cancer if exposed continuously (24 hours per day) to the levels of toxic air contaminants over a specified duration of time. This risk would be an excess cancer that is in addition to any cancer risk borne by a person not exposed to these air toxics. To put this risk in perspective, sample causes of death in the United States as well as the estimated risk of developing cancer from the Project or in the South Coast Air Basin are shown on Table 1-1. As an example, the risk of dying from accidental drowning is 1,000 in a million which is 100 times more than the SCAQMD’s threshold of 10 in one million, the nearest comparison to 10 in one million is the 7 in one million lifetime chance that an individual would be struck by lightning.

The AQMD has published a report on how to address cumulative impacts from air pollution: White Paper on Potential Control Strategies to Address Cumulative Impacts from Air Pollution (2). In this report the AQMD clearly states (Page D-3):

“…the AQMD uses the same significance thresholds for project specific and cumulative impacts for all environmental topics analyzed in an Environmental Assessment or EIR. The only case where the significance thresholds for project specific and cumulative impacts differ is the Hazard Index (HI) significance threshold for toxic air contaminant (TAC) emissions. The project specific (project increment) significance threshold is HI > 1.0 while the cumulative (facility-wide) is HI > 3.0. It should be noted that the HI is only one of three TAC emission significance thresholds considered (when applicable) in a CEQA analysis. The other two are the maximum individual cancer risk (MICR) and the cancer burden, both of which use the same significance thresholds (MICR of 10 in 1 million and cancer burden of 0.5) for project specific and cumulative impacts.

Projects that exceed the project-specific significance thresholds are considered by the SCAQMD to be cumulatively considerable. This is the reason project-specific and cumulative significance



TABLE 1-1: LIFETIME RISK COMPARISON

thresholds are the same. Conversely, projects that do not exceed the project-specific thresholds are generally not considered to be cumulatively significant.”

The SCAQMD has also established non-carcinogenic risk parameters for use in HRAs. Non-carcinogenic risks are quantified by calculating a "hazard index," expressed as the ratio between the ambient pollutant concentration and its toxicity or Reference Exposure Level (REL). An REL is a concentration at or below which health effects are not likely to occur. A hazard index less of than one (1.0) means that adverse health effects are not expected. Within this analysis, non-carcinogenic exposures of less than 1.0 are considered less-than-significant.

1.1 SITE LOCATION

The proposed 801 Opal Avenue site is located on the northeast corner of Opal Avenue and E. Colton Avenue in an unincorporated area in the County of San Bernardino, as shown on Exhibit 1-A. Industrial land uses are located north and west of the Project site. Institutional land uses are located south of the Project site. Residential land uses are located north and east of the Project site. The Interstate 10 Freeway (I-10 Fwy) is located 1.7 miles southwest of the Project site.

0.25 in one million

0.34 in one million

1.12 in one million

7 in one million

10 in one million

518.16 in one million

1,000 in one million







-5000 5000 15000 25000

Project Cancer Risk School

Project Cancer Risk Workers

Project Cancer Risk Residential

Lightning Strike

SCAQMD Cancer Risk Threshold

Ambient Air Pollution Cancer Risk

Accidential Drowning

Homicide

Accidental Fall

Motor Vehicle Accident

Alzheimer's Disease

Stroke

Heart Disease

Lifetime Risk



1.2 PROJECT DESCRIPTION

Exhibit 1-B illustrates the preliminary Project site plan. As indicated, the total development is proposed to consist of 126,224 square feet (sf) of manufacturing use and 115,329 sf of warehousing use within the two currently vacant existing buildings.

For the purposes of this AQIA, it is assumed that the Project will be constructed and at full occupancy in 2018.



EXHIBIT 1-A: LOCATION MAP


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EXHIBIT 1-B: SITE PLAN


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2 BACKGROUND

2.1 EMISSIONS ESTIMATION

Vehicle DPM emissions were estimated using emission factors for particulate matter less than 10µm in diameter (PM10) generated with the 2014 version of the Emission FACtor model (EMFAC) developed by the ARB. EMFAC 2014 is a mathematical model that was developed to calculate emission rates from motor vehicles that operate on highways, freeways, and local roads in California and is commonly used by the ARB to project changes in future emissions from on-road mobile sources (3). The most recent version of this model, EMFAC 2014, incorporates regional motor vehicle data, information and estimates regarding the distribution of vehicle miles traveled (VMT) by speed, and number of starts per day.

Further, the EMFAC 2014 user’s guide states: “EMFAC2014 is the latest emissions inventory model that calculates emissions inventories for motor vehicles operating on roads in California. EMFAC2014 represents the next step forward in the ongoing improvement process for EMFAC, and reflects the ARB’s current understanding of how vehicles travel and how much they pollute. The EMFAC2014 model is needed to support the Air Resources Board’s regulatory and air quality planning efforts and to meet the Federal Highway Administration’s transportation planning requirements.”

Several distinct emission processes are included in EMFAC 2014. Emission factors calculated using EMFAC 2014 are expressed in units of grams per vehicle miles traveled (g/VMT) or grams per idle-hour (g/idle-hr), depending on the emission process. The emission processes and corresponding emission factor units associated with diesel particulate exhaust for this Project are presented in the proceeding discussion below.

For this Project, annual average PM10 emission factors were generated by running EMFAC 2014 in EMFAC Mode for vehicles within the SCAQMD jurisdiction. The EMFAC Mode generates emission factors in terms of grams of pollutant emitted per vehicle activity and can calculate a matrix of emission factors at specific values of temperature, relative humidity, and vehicle speed. The model was run for speeds traveled in the vicinity of the Project. The vehicle travel speeds for each segment modeled are summarized below. These are average speeds and represent conservative assumptions because lower speeds result in higher emission rates.

• Idling – on-site loading/unloading and truck gate

• 5 miles per hour – on-site vehicle movement including driving and maneuvering

• 25 miles per hour – off-site vehicle movement including driving and maneuvering.

The average PM10 emission factors for each type of vehicle were calculated based on the annual average emission factors from different model years for various exposure periods associated with assumptions for evaluating exposure to different receptor populations (e.g., sensitive, offsite worker and resident, respectively):

1) 70-year exposure: 2018 through 2087 (Residential Exposure Scenario)


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2) 40-year exposure: 2018 through 2057 (Worker Exposure Scenario)

3) 9-yr exposure: 2018 through 2026 (School Child Exposure Scenario)

Calculated emission factors for each of these scenarios are shown in Table 2-1. The emission factors for model years beyond 2050 were assumed to be the same as emission factors in 2050 due to the fact that EMFAC 2014 only contains emission factors for the model year from 2000 through 2050. This is a conservative measure as it assumes no fleet turnover or cleaner technology with lower emissions could be incorporated after 2050.

The vehicle DPM exhaust emissions were calculated for running exhaust emissions. The running exhaust emissions were calculated by applying the running exhaust PM10 emission factor (g/VMT) from EMFAC over the total distance traveled. The following equation was used to estimate off-site emissions for each of the different vehicle classes comprising the mobile sources (3):

EmissionsspeedA (g/s) = EFRunExhaust (g/VMT) * Distance (VMT/trip) * Number of Trips

(trips/day) / seconds per day

Where:

EmissionsspeedA (g/s): Vehicle emissions at a given speed A;

EFRunExhaust (g/VMT): EMFAC running exhaust PM10 emission factor at speed A;

Distance (VMT/trip): Total distance traveled per trip.

Similar to off-site traffic, on-site vehicle running emissions were calculated by applying the running exhaust PM10 emission factor (g/VMT) from EMFAC and the total vehicle trip number over the length of the driving path using the same formula presented above for on-site emissions. In addition, on-site vehicle idling exhaust emissions were calculated by applying the idle exhaust PM10 emission factor (g/idle-hr) from EMFAC and the total truck trip over the total idle time (15 minutes). The following equation was used to estimate the on-site vehicle idling emissions for each of the different vehicle classes (3):

Emissionsidle (g/s) = EFidle (g/hr) * Number of Trips (trips/day) * Idling Time (min/trip) *

60 minutes per hour / seconds per day

Where:

Emissionsidle (g/s): Vehicle emissions during idling;

EFidle (g/s): EMFAC idle exhaust PM10 emission factor.


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TABLE 2-1: WEIGHTED AVERAGE DPM EMISSIONS FACTORS

2018-2087 – 70 Year Residential Exposure Scenario

Speed Weighted Average

0 (idling) 0.12675 (g/idle-hr)

5 0.01785 (g/s)

25 0.00914 (g/s)

2018-2057 – 40 Year Worker Exposure Scenario



5 0.02238 (g/s)

25 0.01091 (g/s)

2018-2026 – 9 Year School Child Exposure Scenario



5 0.05195 (g/s)

25 0.02267 (g/s)

Each roadway was modeled as a line source (made up of multiple adjacent volume sources). Due to the large number of volume sources modeled for this analysis, the corresponding coordinates of each volume source have not been included in this report, but are included in Appendix 2.1. The DPM emission rate for each volume source was calculated by multiplying the emission factor (based on the average travel speed along the roadway) by the number of trips and the distance traveled along each roadway segment and dividing the result by the number of volume sources along that roadway, as illustrated in Appendix 2.2. The modeled emission sources are illustrated on Exhibit 2-C. The modeled truck travel routes included in the HRA are based on the truck trip distributions (inbound and outbound) available from the Project’s Traffic Impact Analysis (TIA) (4).

On-site truck idling was estimated to occur as trucks enter and travel through the facility. Although the Project is required to comply with CARB’s idling limit of 5 minutes, staff at SCAQMD recommends that the on-site idling emissions should be estimated for 15 minutes of truck idling (5), which would take into account on-site idling which occurs while the trucks are waiting to pull up to the truck bays, idling at the bays, idling at check-in and check-out, etc. As such, this analysis estimated truck idling at 15 minutes, consistent with SCAQMD’s recommendation.

Trip characteristics available from the report, 801 Opal Avenue Traffic Impact Analysis (Urban Crossroads) 2017 were utilized in this analysis (4). It should be noted that the Project’s traffic study presents the total Project vehicle trips in terms of Passenger Car Equivalents (PCEs) in an effort to recognize and acknowledge the effects of heavy vehicles at the study area intersections. Notwithstanding, for purposes of the air quality study, the PCE trips were not used. Rather, to more accurately estimate and model vehicular-source emissions, the actual number of vehicles, by vehicle classification (e.g., passenger cars (including light trucks), heavy trucks) were used in the analysis.


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The model offers additional flexibility by allowing the user to assign an initial release height and vertical dispersion parameters for mobile sources representative of a roadway. For this HRA, the roadways were modeled as adjacent volume sources.


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EXHIBIT 2-C: MODELED EMISSION SOURCES

485800 486000 486200 486400 486600 486800 487000 487200 487400 487600 487800 488000 488200 488400 488600 488800 489000 489200 489400

UTM East [m]

3768800

3769000

3769200

3769400

3769600

3769800

UT

M N

ort

h [

m]

map data: © Google Earth


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2.2 EXPOSURE QUANTIFICATION

CARB estimates that the average Californian is exposed to 1.2-1.8 µg/m3 of DPM annually, this exposure results in an average cancer risk of 360-540 in one million for the average Californian exposed to DPM (6).

As noted above, this HRA is based on SCAQMD guidelines to produce conservative estimates of risk posed by exposure to DPM. The conservative nature of this analysis is due primarily to the following factors:

• The CARB-adopted diesel exhaust Unit Risk Factor (URF) of 300 in one million per µg/m3 is based upon the upper 95 percentile of estimated risk for each of the epidemiological studies utilized to develop the URF. Using the 95th percentile URF represents a very conservative (health-protective) risk posed by DPM.

• The risk estimates assume sensitive receptors will be subject to DPM for 24 hours a day, 350 days a year. As a conservative measure, the SCAQMD does not recognize indoor adjustments for resident; in other words, SCAQMD assumes that residents spend 100% of their time at home outdoors and the SCAQMD does not factor in physical barriers (i.e., walls and housing structures) that may prevent the infiltration of DPM into the home. Further, based on empirical data it is clear that the typical person spends the majority of their time indoors versus remaining outdoors

for 24 hours a day, 350 days a year.1

• The emissions derived assume that every truck accessing the project site will idle for 15 minutes under the unmitigated scenario, this is an overestimation of actual idling times and thus

conservative.2 It should be noted that CARB’s anti-idling requirements impose a 5-minute maximum idling time and therefore the analysis conservatively overestimates DPM emissions from idling by a factor of 3.

The analysis herein has been conducted in accordance with the guidelines in the Health Risk Assessment Guidance for Analyzing Cancer Risks from Mobile Source Diesel Idling Emissions for CEQA Air Quality Analysis (1). SCAQMD recommends using the Environmental Protection Agency’s (U.S. EPA’s) AERMOD model. For purposes of this analysis, the model was used to calculate annual average particulate concentrations associated with site operations.

SCAQMD required model parameters are presented in Table 2-2 (7). The model requires additional input parameters including emission data and local meteorology. Meteorological data from the SCAQMD’s Redlands monitoring station (SRA 35) located approximately 0.8 miles southwest of the Project site was used to represent local weather conditions and prevailing winds (8).

1 In May, 1991 the California Air Resources Board (CARB) Research Division in association with the University of California, Berkeley published

research findings entitled: Activity Patterns of California Residents. The findings of that study indicate that on average, adults and adolescents in California spent almost 15 hours per day inside their homes, and six hours in other indoor locations, for a total of 21 hours (87% of the day). About 2 hours per day were spent in transit, and just over 1 hour per day was spent in outdoor locations.

2 Although the Project is required to comply with CARB’s idling limit of 5 minutes, staff at SCAQMD recommends that the on-site idling emissions

should be estimated for 15 minutes of truck idling (personal communication, phone call, with James Koizumi, May 6, 2009), which would take into account on-site idling which occurs while the trucks are waiting to pull up to the truck bays, idling at the bays, idling at check-in and check-out, etc.


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TABLE 2-2: AERMOD MODEL PARAMETERS

Dispersion Coefficient (Urban/Rural) Urban

Terrain (Flat/Elevated) Elevated (Regulatory Default)

Averaging Time 1 year (5-year Meteorological Data Set)

Receptor Height 0 meters (Regulatory Default)

Universal Transverse Mercator (UTM) coordinates for World Geodetic System (WGS) 84 were used to locate the project boundaries, each volume source location, and receptor locations in the project vicinity. The AERMOD dispersion model summary output files for the proposed facility are presented in Appendix 2.1.

Modeled sensitive receptors were placed at discrete residential and non-residential locations for the applicable residential and non-residential scenarios.

Uniform cartesian grids were placed at residential and non-residential locations with at a 100 meter spacing or less, in order to provide dense coverage consistent with SCAQMD recommendations.

Discrete variants for daily breathing rates, exposure frequency, and exposure duration were obtained from relevant distribution profiles presented in the OEHHA guidance document entitled Air Toxic Hot Spots Program Risk Assessment Guidelines, Part IV: Technical Support Document for Exposure Assessment and Stochastic Analysis (9) and guidance from SCAQMD. Table 2-3 summarizes the Exposure Parameters for Residents and Offsite Worker. Appendix “2.2” includes the detailed emissions and risk calculation outputs. (10)


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TABLE 2-3: EXPOSURE ASSUMPTIONS FOR INDIVIDUAL CANCER RISK

Exposure Parameter

Units Residential Worker School Child a

Exposure Frequency

days/year 350 245 180

Exposure Duration years 70 40 9

Inhalation Rate b L/kg-day 302 149 581

Exposure Duration Years 70 40 9

Exposure Time hours/day 24 12 10 a To represent the unique characteristics of the school-based population, the assessment employed the U.S. Environmental Protection

Agency’s guidance to develop viable dose estimates based on reasonable maximum exposures (RME). RME’s are defined as the “highest exposure that is reasonably expected to occur” for a given receptor population. As a result, lifetime risk values for the student population were adjusted to account for an exposure duration of 180 days per year for nine (9) years. The 9 year exposure duration is also consistent with OEHHA Recommendations and consistent with the exposure duration utilized in school-based risk assessments for various schools within the Los Angeles County Unified School District (LAUSD) that have been accepted by the SCAQMD.

b The residential breathing rate of 302 L/kg-day represents the 80th percentile breathing rate per ARB and consistent with SCAQMD Risk Assessment Procedures for Rules 1401 and 212, the worker breathing rate of 149 L/kg-day is also consistent with SCAQMD Risk Assessment Procedures for Rules 1401 and 212, the school child breathing rate of 581 L/kg-day represents the high end 95th percentile breathing rate.

2.3 CARCINOGENIC CHEMICAL RISK

The SCAQMD CEQA Air Quality Handbook (1993) states that emissions of toxic air contaminants (TACs) are considered significant if a HRA shows an increased risk of greater than 10 in one million. Based on guidance from the SCAQMD in the document Health Risk Assessment Guidance for Analyzing Cancer Risks from Mobile Source Diesel Idling Emissions for CEQA Air Quality Analysis ( (1), for purposes of this analysis, 10 in one million is used as the cancer risk threshold for the proposed Project.

Excess cancer risks are estimated as the upper-bound incremental probability that an individual will develop cancer over a lifetime as a direct result of exposure to potential carcinogens over a specified exposure duration. The estimated risk is expressed as a unitless probability. The cancer risk attributed to a chemical is calculated by multiplying the chemical intake or dose at the human exchange boundaries (e.g., lungs) by the chemical-specific cancer potency factor (CPF). A risk level of 10 in one million implies a likelihood that up to 10 people, out of one million equally exposed people would contract cancer if exposed continuously (24 hours per day) to the levels of toxic air contaminants over a specified duration of time. To put this risk in perspective, sample causes of death in the United States as well as the estimated risk of developing cancer from the Project or in the South Coast Air Basin (as previously shown) on Exhibit 1-A. As an example, the risk of dying from accidental drowning is 1,000 in a million which is 100 times more than the SCAQMD’s threshold of 10 in one million, the nearest comparison to 10 in one million is the 7 in one million lifetime chance that an individual would be struck by lightning.

Guidance from CARB and the California Environmental Protection Agency, Office of Environmental Health Hazard Assessment (OEHHA) recommends a refinement to the standard point estimate approach when alternate human body weights and breathing rates are utilized to


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assess risk for susceptible subpopulations such as children. For the inhalation pathway, the procedure requires the incorporation of several discrete variates to effectively quantify dose. Once determined, contaminant dose is multiplied by the cancer potency factor (CPF) in units of inverse dose expressed in milligrams per kilogram per day (mg/kg/day)-1 to derive the cancer risk estimate. Therefore, to assess exposures, the following dose algorithm was utilized.

DOSEair = (Cair [BR/BW] A EF) x (1 x 10 -6)

Where:

DOSEair = chronic daily intake (mg/kg/day)

Cair = concentration of contaminant in air (ug/m3)

[BR/BW] = daily breathing rate normalized to body weight (L/kg BW-day)

A = inhalation absorption factor

EF = exposure frequency (days/365 days)

BW = body weight (kg)

1 x 10 -6 = conversion factors (ug to mg, L to m3)

RISKair = DOSEair x CPF x ED/AT

Where:

DOSEair = chronic daily intake (mg/kg/day)

CPF = cancer potency factor

ED = number of years within particular age group

AT = averaging time

2.4 NON-CARCINOGENIC EXPOSURES

An evaluation of the potential noncarcinogenic effects of chronic exposures was also conducted. Adverse health effects are evaluated by comparing a compound’s annual concentration with its toxicity factor or Reference Exposure Level (REL). The REL for diesel particulates was obtained from OEHHA for this analysis. The chronic reference exposure level (REL) for DPM was established by OEHHA as 5 μg/m3 (OEHHA Toxicity Criteria Database, http://www.oehha.org/risk/chemicaldb/index.asp).

The non-cancer hazard index was calculated (consistent with SCAQMD methodology) as follows:

The relationship for the non-cancer health effects of DPM is given by the following equation:

HIDPM = CDPM/RELDPM


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Where:

HIDPM = Hazard Index; an expression of the potential for non-cancer health

effects.

CDPM = Annual average DPM concentration (μg/m3).

RELDPM = Reference exposure level (REL) for DPM; the DPM concentration

at which no adverse health effects are anticipated.

2.5 POTENTIAL PROJECT-RELATED DPM SOURCE CANCER AND NON-CANCER RISKS3

Project-related DPM-source cancer and non-cancer risks for residential, worker, and school child exposure scenarios for the Project are considered herein and are summarized as follows.

Residential Exposure Scenario:

The residential land use with the greatest potential exposure to Project DPM source emissions is an existing residential home located adjacent to the east of the Project site. At the maximally exposed individual receptor (MEIR), the maximum incremental cancer risk attributable to Project DPM source emissions is estimated at 1.12 in one million, which is less than the SCAQMD threshold of 10 in one million. At this same location, non-cancer risks were estimated to be 0.0007, which would not exceed the applicable threshold of 1.0. As such, the Project will not cause a significant human health or cancer risk to adjacent residences.

Worker Exposure Scenario:

The worker receptor land use with the greatest potential exposure to Project DPM source emissions is located immediately adjacent to the north of the Project site. At the maximally exposed worker (MEIW), the maximum incremental cancer risk impact at this location is 0.25 in one million which is less than the threshold of 10 in one million. At this same location, non-cancer risks were estimated to be 0.001, which would not exceed the applicable threshold of 1.0. As such, the Project will not cause a significant human health or cancer risk to adjacent workers.

School Child Exposure Scenario:

The school site land use with the greatest potential exposure to Project DPM source emissions is located at the Redlands East Valley High School which is located immediately sout of the Project

site. It should be noted that there may be other schools in the general vicinity of the Project, however, any impacts at other schools would be less than what has been disclosed for the Redlands East Valley High School. At the maximally exposed individual school child (MEISC), the 3 SCAQMD guidance does not require assessment of the potential health risk to on-site workers. Excerpts from the document OEHHA Air

Toxics Hot Spots Program Risk Assessment Guidelines—The Air Toxics Hot Spots Program Guidance Manual for Preparation of Health Risk Assessments (OEHHA 2003), also indicate that it is not necessary to examine the health effects to on-site workers unless required by RCRA (Resource Conservation and Recovery Act) / CERCLA (Comprehensive Environmental Response, Compensation, and Liability Act) or the worker resides on-site.


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maximum incremental cancer risk impact at this location is 0.25 in one million which is less than the threshold of 10 in one million. Maximum non-cancer risks at this same location were estimated to be 0.001 which would not exceed the applicable threshold of 1.0.


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3 REFERENCES

1. South Coast Air Quality Managment District. Mobile Source Toxics Analysis. [Online] 2003. http://www.aqmd.gov/ceqa/handbook/mobile_toxic/mobile_toxic.html.

2. Goss, Tracy A and Kroeger, Amy. White Paper on Potential Control Strategies to Address Cumulative Impacts from Air Pollution. [Online] South Coast Air Quality Management District, 2003. http://www.aqmd.gov/rules/ciwg/final_white_paper.pdf.

3. California Department of Transportation. EMFAC Software. [Online] http://www.dot.ca.gov/hq/env/air/pages/emfac.htm.

4. Urban Crossroads, Inc. 801 Opal Avenue Traffic Impact Analysis. Costa Mesa : s.n., 2017.

5. Koizumi, James. Planning, Rule Development & Area Sources. May 6, 2009.

6. South Coast Air Quality Management District. RULE 403. Fugitive Dust. [Online] http://www.aqmd.gov/rules/reg/reg04/r403.pdf.

7. Environmental Protection Agency. User's Guide for the AMS/EPA Regulatory Model - AERMOD. [Online] September 2004. http://www.epa.gov/scram001/7thconf/aermod/aermodugb.pdf.

8. South Coast Air Quality Management District. Air Quality Reporting. [pdf] Diamond Bar : Sierra Wade Associates, 1999.

9. Office of Environmental Health Hazard Assessmen. IR TOXICS HOT SPOTS PROGRAM RISK ASSESSMENT GUIDELINES. [Online] September 2000. http://www.oehha.org/air/hot_spots/pdf/Stoch4f.pdf.

10. South Coast Air Quality Management District. Final Localized Significance Threshold Methodology. 2003.


10957-02 HRA Report

25



10957-02 HRA Report

26

4 CERTIFICATION

The contents of this health risk assessment represent an accurate depiction of the impacts to sensitive

receptors associated with the proposed 801 Opal Avenue Project. The information contained in this

health risk assessment report is based on the best available data at the time of preparation. If you have

any questions, please contact me directly at (949) 660-1994 ext. 217.

Haseeb Qureshi

Senior Associate

URBAN CROSSROADS, INC.

260 E Baker St. Suite 200

Costa Mesa, 92626

(949) 336-5987

[email protected]

EDUCATION

Master of Science in Environmental Studies

California State University, Fullerton • May, 2010

Bachelor of Arts in Environmental Analysis and Design

University of California, Irvine • June, 2006

PROFESSIONAL AFFILIATIONS AEP – Association of Environmental Planners

AWMA – Air and Waste Management Association

ASTM – American Society for Testing and Materials

PROFESSIONAL CERTIFICATIONS

Planned Communities and Urban Infill – Urban Land Institute • June, 2011

Indoor Air Quality and Industrial Hygiene – EMSL Analytical • April, 2008

Principles of Ambient Air Monitoring – California Air Resources Board • August, 2007

AB2588 Regulatory Standards – Trinity Consultants • November, 2006

Air Dispersion Modeling – Lakes Environmental • June, 2006

mailto:[email protected]


10957-02 HRA Report



10957-02 HRA Report

APPENDIX 2.1:

AERMOD MODEL INPUT/OUTPUT

Res** Lakes Environmental AERMOD MPI********************************************** AERMOD INPUT PRODUCED BY:** AERMOD VIEW VER. 9.4.0** LAKES ENVIRONMENTAL SOFTWARE INC.** DATE: 5/31/2017** FILE: Y:\STAFF\HQURESHI\LAKES\OPAL\RES\RES.ADI**************************************************************************************** AERMOD CONTROL PATHWAY********************************************CO STARTING TITLEONE C:\LAKES\AERMOD VIEW\OPAL\RES\RES.ISC MODELOPT DFAULT CONC AVERTIME ANNUAL URBANOPT 2015355 POLLUTID DPM RUNORNOT RUN ERRORFIL RES.ERRCO FINISHED******************************************** AERMOD SOURCE PATHWAY********************************************SO STARTING** SOURCE LOCATION **** SOURCE ID ‐ TYPE ‐ X COORD. ‐ Y COORD. **** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE1** DESCRSRC IDLING ‐ BUILDING B** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 4.768E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 2** 487658.361, 3769189.295, 504.00, 3.53, 4.00** 487660.179, 3769168.094, 504.00, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002017 VOLUME 487658.728 3769185.015 503.96 LOCATION L0002018 VOLUME 487659.462 3769176.457 503.98** END OF LINE VOLUME SOURCE ID = SLINE1** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE2** DESCRSRC IDLING BUILDING A 1 OF 3** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 9.903E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 2** 487716.807, 3769224.801, 505.08, 3.53, 4.00** 487787.606, 3769225.574, 507.09, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

Page 1

Res LOCATION L0002021 VOLUME 487721.102 3769224.848 505.03 LOCATION L0002022 VOLUME 487729.692 3769224.942 505.32 LOCATION L0002023 VOLUME 487738.281 3769225.035 505.61 LOCATION L0002024 VOLUME 487746.871 3769225.129 505.89 LOCATION L0002025 VOLUME 487755.460 3769225.223 506.18 LOCATION L0002026 VOLUME 487764.050 3769225.317 506.47 LOCATION L0002027 VOLUME 487772.639 3769225.410 506.75 LOCATION L0002028 VOLUME 487781.229 3769225.504 507.04** END OF LINE VOLUME SOURCE ID = SLINE2** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE3** DESCRSRC IDLING BUILDING A 2 OF 3** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 9.903E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 3** 487786.834, 3769294.313, 507.08, 3.53, 4.00** 487757.683, 3769293.416, 506.09, 3.53, 4.00** 487757.710, 3769394.015, 506.07, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002029 VOLUME 487782.541 3769294.181 507.08 LOCATION L0002030 VOLUME 487773.955 3769293.916 506.80 LOCATION L0002031 VOLUME 487765.369 3769293.652 506.51 LOCATION L0002032 VOLUME 487757.683 3769294.316 506.25 LOCATION L0002033 VOLUME 487757.685 3769302.906 506.25 LOCATION L0002034 VOLUME 487757.688 3769311.496 506.25 LOCATION L0002035 VOLUME 487757.690 3769320.086 506.25 LOCATION L0002036 VOLUME 487757.692 3769328.676 506.25 LOCATION L0002037 VOLUME 487757.695 3769337.266 506.25 LOCATION L0002038 VOLUME 487757.697 3769345.856 506.25 LOCATION L0002039 VOLUME 487757.699 3769354.446 506.25 LOCATION L0002040 VOLUME 487757.702 3769363.036 506.25 LOCATION L0002041 VOLUME 487757.704 3769371.626 506.25 LOCATION L0002042 VOLUME 487757.706 3769380.216 506.25 LOCATION L0002043 VOLUME 487757.709 3769388.806 506.26** END OF LINE VOLUME SOURCE ID = SLINE3** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE4** DESCRSRC IDLING BUILDING A 3 OF 3** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 9.903E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 2** 487665.317, 3769398.837, 504.02, 3.53, 4.00** 487664.545, 3769340.654, 504.02, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002044 VOLUME 487665.260 3769394.543 504.16 LOCATION L0002045 VOLUME 487665.146 3769385.953 504.11 LOCATION L0002046 VOLUME 487665.032 3769377.364 504.06 LOCATION L0002047 VOLUME 487664.918 3769368.775 504.01 LOCATION L0002048 VOLUME 487664.804 3769360.186 504.03 LOCATION L0002049 VOLUME 487664.690 3769351.597 504.08 LOCATION L0002050 VOLUME 487664.576 3769343.007 504.12** END OF LINE VOLUME SOURCE ID = SLINE4** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE5** DESCRSRC ON‐SITE TRAVEL OUTDOOR STORAGE** PREFIX

Page 2

Res** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 0.00001216** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 9** 487970.324, 3769176.502, 511.94, 3.53, 4.00** 487970.915, 3769511.346, 511.81, 3.53, 4.00** 487822.095, 3769503.669, 507.94, 3.53, 4.00** 487818.551, 3769230.242, 507.94, 3.53, 4.00** 487852.213, 3769212.526, 508.40, 3.53, 4.00** 487851.032, 3769186.541, 508.95, 3.53, 4.00** 487816.189, 3769178.273, 508.06, 3.53, 4.00** 487815.008, 3769172.368, 508.05, 3.53, 4.00** 487959.103, 3769172.958, 511.91, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002051 VOLUME 487970.332 3769180.797 512.06 LOCATION L0002052 VOLUME 487970.347 3769189.387 512.00 LOCATION L0002053 VOLUME 487970.362 3769197.977 512.00 LOCATION L0002054 VOLUME 487970.377 3769206.567 512.00 LOCATION L0002055 VOLUME 487970.392 3769215.157 512.00 LOCATION L0002056 VOLUME 487970.407 3769223.747 512.09 LOCATION L0002057 VOLUME 487970.423 3769232.337 512.19 LOCATION L0002058 VOLUME 487970.438 3769240.927 512.28 LOCATION L0002059 VOLUME 487970.453 3769249.517 512.35 LOCATION L0002060 VOLUME 487970.468 3769258.107 512.35 LOCATION L0002061 VOLUME 487970.483 3769266.697 512.35 LOCATION L0002062 VOLUME 487970.498 3769275.287 512.35 LOCATION L0002063 VOLUME 487970.513 3769283.877 512.26 LOCATION L0002064 VOLUME 487970.529 3769292.467 512.16 LOCATION L0002065 VOLUME 487970.544 3769301.057 512.06 LOCATION L0002066 VOLUME 487970.559 3769309.647 512.00 LOCATION L0002067 VOLUME 487970.574 3769318.237 512.00 LOCATION L0002068 VOLUME 487970.589 3769326.827 512.00 LOCATION L0002069 VOLUME 487970.604 3769335.417 512.00 LOCATION L0002070 VOLUME 487970.619 3769344.006 511.83 LOCATION L0002071 VOLUME 487970.635 3769352.596 511.65 LOCATION L0002072 VOLUME 487970.650 3769361.186 511.46 LOCATION L0002073 VOLUME 487970.665 3769369.776 511.35 LOCATION L0002074 VOLUME 487970.680 3769378.366 511.35 LOCATION L0002075 VOLUME 487970.695 3769386.956 511.35 LOCATION L0002076 VOLUME 487970.710 3769395.546 511.35 LOCATION L0002077 VOLUME 487970.725 3769404.136 511.36 LOCATION L0002078 VOLUME 487970.741 3769412.726 511.36 LOCATION L0002079 VOLUME 487970.756 3769421.316 511.36 LOCATION L0002080 VOLUME 487970.771 3769429.906 511.36 LOCATION L0002081 VOLUME 487970.786 3769438.496 511.36 LOCATION L0002082 VOLUME 487970.801 3769447.086 511.36 LOCATION L0002083 VOLUME 487970.816 3769455.676 511.36 LOCATION L0002084 VOLUME 487970.832 3769464.266 511.36 LOCATION L0002085 VOLUME 487970.847 3769472.856 511.36 LOCATION L0002086 VOLUME 487970.862 3769481.446 511.36 LOCATION L0002087 VOLUME 487970.877 3769490.036 511.44 LOCATION L0002088 VOLUME 487970.892 3769498.626 511.63 LOCATION L0002089 VOLUME 487970.907 3769507.216 511.81 LOCATION L0002090 VOLUME 487966.461 3769511.117 511.87 LOCATION L0002091 VOLUME 487957.882 3769510.674 511.76 LOCATION L0002092 VOLUME 487949.304 3769510.232 511.51 LOCATION L0002093 VOLUME 487940.725 3769509.789 511.28 LOCATION L0002094 VOLUME 487932.146 3769509.347 511.05 LOCATION L0002095 VOLUME 487923.568 3769508.904 510.78 LOCATION L0002096 VOLUME 487914.989 3769508.461 510.50 LOCATION L0002097 VOLUME 487906.411 3769508.019 510.21 LOCATION L0002098 VOLUME 487897.832 3769507.576 509.93 LOCATION L0002099 VOLUME 487889.253 3769507.134 509.64 LOCATION L0002100 VOLUME 487880.675 3769506.691 509.35 LOCATION L0002101 VOLUME 487872.096 3769506.249 509.07

Page 3

Res LOCATION L0002102 VOLUME 487863.518 3769505.806 508.78 LOCATION L0002103 VOLUME 487854.939 3769505.364 508.50 LOCATION L0002104 VOLUME 487846.360 3769504.921 508.21 LOCATION L0002105 VOLUME 487837.782 3769504.479 508.00 LOCATION L0002106 VOLUME 487829.203 3769504.036 508.00 LOCATION L0002107 VOLUME 487822.076 3769502.197 508.00 LOCATION L0002108 VOLUME 487821.964 3769493.608 508.00 LOCATION L0002109 VOLUME 487821.853 3769485.019 508.00 LOCATION L0002110 VOLUME 487821.742 3769476.430 508.00 LOCATION L0002111 VOLUME 487821.630 3769467.840 508.00 LOCATION L0002112 VOLUME 487821.519 3769459.251 508.00 LOCATION L0002113 VOLUME 487821.408 3769450.662 508.00 LOCATION L0002114 VOLUME 487821.296 3769442.072 508.00 LOCATION L0002115 VOLUME 487821.185 3769433.483 508.00 LOCATION L0002116 VOLUME 487821.074 3769424.894 508.00 LOCATION L0002117 VOLUME 487820.963 3769416.305 508.00 LOCATION L0002118 VOLUME 487820.851 3769407.715 508.00 LOCATION L0002119 VOLUME 487820.740 3769399.126 508.00 LOCATION L0002120 VOLUME 487820.629 3769390.537 508.00 LOCATION L0002121 VOLUME 487820.517 3769381.947 508.00 LOCATION L0002122 VOLUME 487820.406 3769373.358 508.00 LOCATION L0002123 VOLUME 487820.295 3769364.769 508.00 LOCATION L0002124 VOLUME 487820.183 3769356.180 508.00 LOCATION L0002125 VOLUME 487820.072 3769347.590 508.00 LOCATION L0002126 VOLUME 487819.961 3769339.001 508.00 LOCATION L0002127 VOLUME 487819.849 3769330.412 508.00 LOCATION L0002128 VOLUME 487819.738 3769321.823 508.00 LOCATION L0002129 VOLUME 487819.627 3769313.233 508.00 LOCATION L0002130 VOLUME 487819.516 3769304.644 508.00 LOCATION L0002131 VOLUME 487819.404 3769296.055 508.00 LOCATION L0002132 VOLUME 487819.293 3769287.465 508.00 LOCATION L0002133 VOLUME 487819.182 3769278.876 508.00 LOCATION L0002134 VOLUME 487819.070 3769270.287 508.00 LOCATION L0002135 VOLUME 487818.959 3769261.698 508.00 LOCATION L0002136 VOLUME 487818.848 3769253.108 508.00 LOCATION L0002137 VOLUME 487818.736 3769244.519 508.00 LOCATION L0002138 VOLUME 487818.625 3769235.930 508.00 LOCATION L0002139 VOLUME 487821.119 3769228.891 508.00 LOCATION L0002140 VOLUME 487828.721 3769224.890 508.00 LOCATION L0002141 VOLUME 487836.322 3769220.889 508.00 LOCATION L0002142 VOLUME 487843.924 3769216.888 508.13 LOCATION L0002143 VOLUME 487851.525 3769212.888 508.45 LOCATION L0002144 VOLUME 487851.858 3769204.721 508.63 LOCATION L0002145 VOLUME 487851.468 3769196.140 508.80 LOCATION L0002146 VOLUME 487851.078 3769187.559 508.97 LOCATION L0002147 VOLUME 487843.665 3769184.793 509.00 LOCATION L0002148 VOLUME 487835.307 3769182.810 508.84 LOCATION L0002149 VOLUME 487826.949 3769180.827 508.56 LOCATION L0002150 VOLUME 487818.591 3769178.843 508.28 LOCATION L0002151 VOLUME 487815.107 3769172.368 508.17 LOCATION L0002152 VOLUME 487823.697 3769172.403 508.45 LOCATION L0002153 VOLUME 487832.287 3769172.439 508.74 LOCATION L0002154 VOLUME 487840.877 3769172.474 509.00 LOCATION L0002155 VOLUME 487849.467 3769172.509 509.00 LOCATION L0002156 VOLUME 487858.056 3769172.544 509.00 LOCATION L0002157 VOLUME 487866.646 3769172.580 509.00 LOCATION L0002158 VOLUME 487875.236 3769172.615 509.17 LOCATION L0002159 VOLUME 487883.826 3769172.650 509.46 LOCATION L0002160 VOLUME 487892.416 3769172.685 509.75 LOCATION L0002161 VOLUME 487901.006 3769172.720 510.03 LOCATION L0002162 VOLUME 487909.596 3769172.756 510.32 LOCATION L0002163 VOLUME 487918.186 3769172.791 510.60 LOCATION L0002164 VOLUME 487926.776 3769172.826 510.89 LOCATION L0002165 VOLUME 487935.366 3769172.861 511.18 LOCATION L0002166 VOLUME 487943.956 3769172.896 511.46 LOCATION L0002167 VOLUME 487952.546 3769172.932 511.75** END OF LINE VOLUME SOURCE ID = SLINE5

Page 4

Res** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE6** DESCRSRC ON‐SITE TRAVEL BUILDING A AND BUILDING B** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 0.00001744** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 6** 487770.126, 3769403.865, 506.85, 3.53, 4.00** 487627.212, 3769406.228, 502.98, 3.53, 4.00** 487630.164, 3769195.990, 503.06, 3.53, 4.00** 487794.929, 3769205.439, 507.28, 3.53, 4.00** 487791.976, 3769392.054, 507.21, 3.53, 4.00** 487776.622, 3769400.913, 506.99, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002168 VOLUME 487765.831 3769403.936 506.53 LOCATION L0002169 VOLUME 487757.243 3769404.078 506.24 LOCATION L0002170 VOLUME 487748.654 3769404.220 505.95 LOCATION L0002171 VOLUME 487740.065 3769404.362 505.67 LOCATION L0002172 VOLUME 487731.476 3769404.504 505.38 LOCATION L0002173 VOLUME 487722.887 3769404.646 505.09 LOCATION L0002174 VOLUME 487714.298 3769404.788 505.00 LOCATION L0002175 VOLUME 487705.710 3769404.930 505.00 LOCATION L0002176 VOLUME 487697.121 3769405.072 505.00 LOCATION L0002177 VOLUME 487688.532 3769405.214 504.95 LOCATION L0002178 VOLUME 487679.943 3769405.356 504.66 LOCATION L0002179 VOLUME 487671.354 3769405.498 504.38 LOCATION L0002180 VOLUME 487662.766 3769405.640 504.09 LOCATION L0002181 VOLUME 487654.177 3769405.782 503.80 LOCATION L0002182 VOLUME 487645.588 3769405.924 503.52 LOCATION L0002183 VOLUME 487636.999 3769406.066 503.23 LOCATION L0002184 VOLUME 487628.410 3769406.208 502.95 LOCATION L0002185 VOLUME 487627.315 3769398.837 502.91 LOCATION L0002186 VOLUME 487627.436 3769390.248 502.91 LOCATION L0002187 VOLUME 487627.557 3769381.659 502.92 LOCATION L0002188 VOLUME 487627.677 3769373.070 502.92 LOCATION L0002189 VOLUME 487627.798 3769364.481 502.92 LOCATION L0002190 VOLUME 487627.919 3769355.891 502.93 LOCATION L0002191 VOLUME 487628.039 3769347.302 502.93 LOCATION L0002192 VOLUME 487628.160 3769338.713 502.94 LOCATION L0002193 VOLUME 487628.280 3769330.124 502.94 LOCATION L0002194 VOLUME 487628.401 3769321.535 502.94 LOCATION L0002195 VOLUME 487628.522 3769312.946 502.95 LOCATION L0002196 VOLUME 487628.642 3769304.357 502.95 LOCATION L0002197 VOLUME 487628.763 3769295.767 502.96 LOCATION L0002198 VOLUME 487628.884 3769287.178 502.96 LOCATION L0002199 VOLUME 487629.004 3769278.589 502.96 LOCATION L0002200 VOLUME 487629.125 3769270.000 502.97 LOCATION L0002201 VOLUME 487629.245 3769261.411 502.97 LOCATION L0002202 VOLUME 487629.366 3769252.822 502.98 LOCATION L0002203 VOLUME 487629.487 3769244.233 502.98 LOCATION L0002204 VOLUME 487629.607 3769235.643 502.99 LOCATION L0002205 VOLUME 487629.728 3769227.054 502.99 LOCATION L0002206 VOLUME 487629.849 3769218.465 502.99 LOCATION L0002207 VOLUME 487629.969 3769209.876 503.00 LOCATION L0002208 VOLUME 487630.090 3769201.287 503.00 LOCATION L0002209 VOLUME 487633.452 3769196.179 503.11 LOCATION L0002210 VOLUME 487642.028 3769196.670 503.40 LOCATION L0002211 VOLUME 487650.604 3769197.162 503.68 LOCATION L0002212 VOLUME 487659.179 3769197.654 503.97 LOCATION L0002213 VOLUME 487667.755 3769198.146 504.26 LOCATION L0002214 VOLUME 487676.331 3769198.638 504.54 LOCATION L0002215 VOLUME 487684.907 3769199.129 504.83 LOCATION L0002216 VOLUME 487693.483 3769199.621 505.06

Page 5

Res LOCATION L0002217 VOLUME 487702.059 3769200.113 505.21 LOCATION L0002218 VOLUME 487710.635 3769200.605 505.36 LOCATION L0002219 VOLUME 487719.211 3769201.097 505.49 LOCATION L0002220 VOLUME 487727.787 3769201.588 505.62 LOCATION L0002221 VOLUME 487736.363 3769202.080 505.76 LOCATION L0002222 VOLUME 487744.939 3769202.572 505.91 LOCATION L0002223 VOLUME 487753.514 3769203.064 506.12 LOCATION L0002224 VOLUME 487762.090 3769203.556 506.40 LOCATION L0002225 VOLUME 487770.666 3769204.048 506.69 LOCATION L0002226 VOLUME 487779.242 3769204.539 506.97 LOCATION L0002227 VOLUME 487787.818 3769205.031 507.26 LOCATION L0002228 VOLUME 487794.906 3769206.906 507.49 LOCATION L0002229 VOLUME 487794.770 3769215.495 507.49 LOCATION L0002230 VOLUME 487794.634 3769224.084 507.49 LOCATION L0002231 VOLUME 487794.498 3769232.673 507.48 LOCATION L0002232 VOLUME 487794.362 3769241.262 507.48 LOCATION L0002233 VOLUME 487794.226 3769249.851 507.47 LOCATION L0002234 VOLUME 487794.091 3769258.440 507.47 LOCATION L0002235 VOLUME 487793.955 3769267.028 507.46 LOCATION L0002236 VOLUME 487793.819 3769275.617 507.46 LOCATION L0002237 VOLUME 487793.683 3769284.206 507.45 LOCATION L0002238 VOLUME 487793.547 3769292.795 507.45 LOCATION L0002239 VOLUME 487793.411 3769301.384 507.45 LOCATION L0002240 VOLUME 487793.275 3769309.973 507.44 LOCATION L0002241 VOLUME 487793.139 3769318.562 507.44 LOCATION L0002242 VOLUME 487793.003 3769327.151 507.43 LOCATION L0002243 VOLUME 487792.867 3769335.740 507.43 LOCATION L0002244 VOLUME 487792.732 3769344.329 507.42 LOCATION L0002245 VOLUME 487792.596 3769352.918 507.42 LOCATION L0002246 VOLUME 487792.460 3769361.507 507.41 LOCATION L0002247 VOLUME 487792.324 3769370.096 507.41 LOCATION L0002248 VOLUME 487792.188 3769378.685 507.40 LOCATION L0002249 VOLUME 487792.052 3769387.273 507.40 LOCATION L0002250 VOLUME 487788.678 3769393.958 507.29 LOCATION L0002251 VOLUME 487781.237 3769398.250 507.04** END OF LINE VOLUME SOURCE ID = SLINE6** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE7** DESCRSRC 30% INBOUND/OUTBOUND** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 2.643E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 5** 487888.592, 3769534.695, 509.40, 3.53, 4.00** 487589.018, 3769534.182, 502.41, 3.53, 4.00** 487593.164, 3769670.204, 502.08, 3.53, 4.00** 487645.844, 3769731.665, 503.43, 3.53, 4.00** 487653.244, 3769928.025, 503.92, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002252 VOLUME 487884.297 3769534.688 509.47 LOCATION L0002253 VOLUME 487875.707 3769534.673 509.19 LOCATION L0002254 VOLUME 487867.117 3769534.658 508.90 LOCATION L0002255 VOLUME 487858.527 3769534.644 508.62 LOCATION L0002256 VOLUME 487849.937 3769534.629 508.33 LOCATION L0002257 VOLUME 487841.347 3769534.614 508.04 LOCATION L0002258 VOLUME 487832.757 3769534.600 508.00 LOCATION L0002259 VOLUME 487824.167 3769534.585 508.00 LOCATION L0002260 VOLUME 487815.577 3769534.570 508.00 LOCATION L0002261 VOLUME 487806.987 3769534.555 507.90 LOCATION L0002262 VOLUME 487798.397 3769534.541 507.61 LOCATION L0002263 VOLUME 487789.807 3769534.526 507.32 LOCATION L0002264 VOLUME 487781.217 3769534.511 507.04 LOCATION L0002265 VOLUME 487772.627 3769534.497 506.75

Page 6

Res LOCATION L0002266 VOLUME 487764.037 3769534.482 506.47 LOCATION L0002267 VOLUME 487755.447 3769534.467 506.18 LOCATION L0002268 VOLUME 487746.857 3769534.452 506.00 LOCATION L0002269 VOLUME 487738.267 3769534.438 506.00 LOCATION L0002270 VOLUME 487729.677 3769534.423 506.00 LOCATION L0002271 VOLUME 487721.087 3769534.408 506.00 LOCATION L0002272 VOLUME 487712.497 3769534.394 505.75 LOCATION L0002273 VOLUME 487703.907 3769534.379 505.46 LOCATION L0002274 VOLUME 487695.317 3769534.364 505.18 LOCATION L0002275 VOLUME 487686.727 3769534.350 504.89 LOCATION L0002276 VOLUME 487678.137 3769534.335 504.60 LOCATION L0002277 VOLUME 487669.547 3769534.320 504.32 LOCATION L0002278 VOLUME 487660.957 3769534.305 504.03 LOCATION L0002279 VOLUME 487652.367 3769534.291 503.90 LOCATION L0002280 VOLUME 487643.777 3769534.276 503.78 LOCATION L0002281 VOLUME 487635.187 3769534.261 503.67 LOCATION L0002282 VOLUME 487626.597 3769534.247 503.53 LOCATION L0002283 VOLUME 487618.007 3769534.232 503.36 LOCATION L0002284 VOLUME 487609.417 3769534.217 503.19 LOCATION L0002285 VOLUME 487600.827 3769534.202 503.02 LOCATION L0002286 VOLUME 487592.238 3769534.188 502.74 LOCATION L0002287 VOLUME 487589.181 3769539.550 502.64 LOCATION L0002288 VOLUME 487589.443 3769548.136 502.65 LOCATION L0002289 VOLUME 487589.705 3769556.722 502.66 LOCATION L0002290 VOLUME 487589.967 3769565.308 502.66 LOCATION L0002291 VOLUME 487590.228 3769573.894 502.67 LOCATION L0002292 VOLUME 487590.490 3769582.480 502.68 LOCATION L0002293 VOLUME 487590.752 3769591.066 502.69 LOCATION L0002294 VOLUME 487591.013 3769599.652 502.70 LOCATION L0002295 VOLUME 487591.275 3769608.238 502.71 LOCATION L0002296 VOLUME 487591.537 3769616.824 502.72 LOCATION L0002297 VOLUME 487591.799 3769625.410 502.72 LOCATION L0002298 VOLUME 487592.060 3769633.996 502.73 LOCATION L0002299 VOLUME 487592.322 3769642.582 502.58 LOCATION L0002300 VOLUME 487592.584 3769651.168 502.38 LOCATION L0002301 VOLUME 487592.845 3769659.754 502.16 LOCATION L0002302 VOLUME 487593.107 3769668.340 502.00 LOCATION L0002303 VOLUME 487597.541 3769675.310 502.00 LOCATION L0002304 VOLUME 487603.131 3769681.832 502.10 LOCATION L0002305 VOLUME 487608.721 3769688.354 502.29 LOCATION L0002306 VOLUME 487614.311 3769694.876 502.48 LOCATION L0002307 VOLUME 487619.902 3769701.398 502.66 LOCATION L0002308 VOLUME 487625.492 3769707.920 502.85 LOCATION L0002309 VOLUME 487631.082 3769714.442 503.03 LOCATION L0002310 VOLUME 487636.673 3769720.965 503.22 LOCATION L0002311 VOLUME 487642.263 3769727.487 503.41 LOCATION L0002312 VOLUME 487645.960 3769734.750 503.53 LOCATION L0002313 VOLUME 487646.284 3769743.333 503.54 LOCATION L0002314 VOLUME 487646.607 3769751.917 503.55 LOCATION L0002315 VOLUME 487646.931 3769760.501 503.56 LOCATION L0002316 VOLUME 487647.254 3769769.085 503.57 LOCATION L0002317 VOLUME 487647.578 3769777.669 503.58 LOCATION L0002318 VOLUME 487647.901 3769786.253 503.59 LOCATION L0002319 VOLUME 487648.225 3769794.837 503.61 LOCATION L0002320 VOLUME 487648.548 3769803.421 503.62 LOCATION L0002321 VOLUME 487648.872 3769812.005 503.63 LOCATION L0002322 VOLUME 487649.195 3769820.589 503.64 LOCATION L0002323 VOLUME 487649.519 3769829.173 503.65 LOCATION L0002324 VOLUME 487649.842 3769837.756 503.66 LOCATION L0002325 VOLUME 487650.165 3769846.340 503.67 LOCATION L0002326 VOLUME 487650.489 3769854.924 503.68 LOCATION L0002327 VOLUME 487650.812 3769863.508 503.69 LOCATION L0002328 VOLUME 487651.136 3769872.092 503.70 LOCATION L0002329 VOLUME 487651.459 3769880.676 503.71 LOCATION L0002330 VOLUME 487651.783 3769889.260 503.72 LOCATION L0002331 VOLUME 487652.106 3769897.844 503.74 LOCATION L0002332 VOLUME 487652.430 3769906.428 503.75

Page 7

Res LOCATION L0002333 VOLUME 487652.753 3769915.012 503.76 LOCATION L0002334 VOLUME 487653.077 3769923.596 503.77** END OF LINE VOLUME SOURCE ID = SLINE7** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE8** DESCRSRC 30% OUTBOUND** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 1.192E‐06** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 5** 487592.934, 3769304.275, 502.04, 3.53, 4.00** 487589.018, 3769534.182, 502.41, 3.53, 4.00** 487593.164, 3769670.204, 502.08, 3.53, 4.00** 487645.844, 3769731.665, 503.43, 3.53, 4.00** 487653.244, 3769928.025, 503.92, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002335 VOLUME 487592.861 3769308.569 502.00 LOCATION L0002336 VOLUME 487592.715 3769317.158 502.00 LOCATION L0002337 VOLUME 487592.568 3769325.747 502.00 LOCATION L0002338 VOLUME 487592.422 3769334.336 502.00 LOCATION L0002339 VOLUME 487592.276 3769342.924 502.00 LOCATION L0002340 VOLUME 487592.129 3769351.513 502.00 LOCATION L0002341 VOLUME 487591.983 3769360.102 502.00 LOCATION L0002342 VOLUME 487591.837 3769368.691 502.00 LOCATION L0002343 VOLUME 487591.691 3769377.279 502.00 LOCATION L0002344 VOLUME 487591.544 3769385.868 502.00 LOCATION L0002345 VOLUME 487591.398 3769394.457 502.00 LOCATION L0002346 VOLUME 487591.252 3769403.046 502.00 LOCATION L0002347 VOLUME 487591.105 3769411.634 502.00 LOCATION L0002348 VOLUME 487590.959 3769420.223 502.00 LOCATION L0002349 VOLUME 487590.813 3769428.812 502.00 LOCATION L0002350 VOLUME 487590.666 3769437.401 502.00 LOCATION L0002351 VOLUME 487590.520 3769445.989 502.00 LOCATION L0002352 VOLUME 487590.374 3769454.578 502.00 LOCATION L0002353 VOLUME 487590.228 3769463.167 502.16 LOCATION L0002354 VOLUME 487590.081 3769471.756 502.35 LOCATION L0002355 VOLUME 487589.935 3769480.344 502.53 LOCATION L0002356 VOLUME 487589.789 3769488.933 502.66 LOCATION L0002357 VOLUME 487589.642 3769497.522 502.65 LOCATION L0002358 VOLUME 487589.496 3769506.111 502.65 LOCATION L0002359 VOLUME 487589.350 3769514.699 502.64 LOCATION L0002360 VOLUME 487589.203 3769523.288 502.64 LOCATION L0002361 VOLUME 487589.057 3769531.877 502.63 LOCATION L0002362 VOLUME 487589.209 3769540.464 502.64 LOCATION L0002363 VOLUME 487589.471 3769549.050 502.65 LOCATION L0002364 VOLUME 487589.733 3769557.636 502.66 LOCATION L0002365 VOLUME 487589.994 3769566.222 502.66 LOCATION L0002366 VOLUME 487590.256 3769574.808 502.67 LOCATION L0002367 VOLUME 487590.518 3769583.394 502.68 LOCATION L0002368 VOLUME 487590.780 3769591.980 502.69 LOCATION L0002369 VOLUME 487591.041 3769600.566 502.70 LOCATION L0002370 VOLUME 487591.303 3769609.152 502.71 LOCATION L0002371 VOLUME 487591.565 3769617.738 502.72 LOCATION L0002372 VOLUME 487591.826 3769626.324 502.73 LOCATION L0002373 VOLUME 487592.088 3769634.910 502.73 LOCATION L0002374 VOLUME 487592.350 3769643.496 502.56 LOCATION L0002375 VOLUME 487592.611 3769652.082 502.35 LOCATION L0002376 VOLUME 487592.873 3769660.668 502.14 LOCATION L0002377 VOLUME 487593.135 3769669.254 502.00 LOCATION L0002378 VOLUME 487598.135 3769676.004 502.00 LOCATION L0002379 VOLUME 487603.726 3769682.526 502.12 LOCATION L0002380 VOLUME 487609.316 3769689.048 502.31 LOCATION L0002381 VOLUME 487614.906 3769695.570 502.50

Page 8

Res LOCATION L0002382 VOLUME 487620.497 3769702.092 502.68 LOCATION L0002383 VOLUME 487626.087 3769708.614 502.87 LOCATION L0002384 VOLUME 487631.677 3769715.136 503.05 LOCATION L0002385 VOLUME 487637.267 3769721.658 503.24 LOCATION L0002386 VOLUME 487642.858 3769728.180 503.43 LOCATION L0002387 VOLUME 487645.995 3769735.663 503.53 LOCATION L0002388 VOLUME 487646.318 3769744.247 503.54 LOCATION L0002389 VOLUME 487646.642 3769752.831 503.55 LOCATION L0002390 VOLUME 487646.965 3769761.415 503.56 LOCATION L0002391 VOLUME 487647.289 3769769.999 503.57 LOCATION L0002392 VOLUME 487647.612 3769778.582 503.59 LOCATION L0002393 VOLUME 487647.936 3769787.166 503.60 LOCATION L0002394 VOLUME 487648.259 3769795.750 503.61 LOCATION L0002395 VOLUME 487648.583 3769804.334 503.62 LOCATION L0002396 VOLUME 487648.906 3769812.918 503.63 LOCATION L0002397 VOLUME 487649.229 3769821.502 503.64 LOCATION L0002398 VOLUME 487649.553 3769830.086 503.65 LOCATION L0002399 VOLUME 487649.876 3769838.670 503.66 LOCATION L0002400 VOLUME 487650.200 3769847.254 503.67 LOCATION L0002401 VOLUME 487650.523 3769855.838 503.68 LOCATION L0002402 VOLUME 487650.847 3769864.421 503.69 LOCATION L0002403 VOLUME 487651.170 3769873.005 503.70 LOCATION L0002404 VOLUME 487651.494 3769881.589 503.71 LOCATION L0002405 VOLUME 487651.817 3769890.173 503.73 LOCATION L0002406 VOLUME 487652.141 3769898.757 503.74 LOCATION L0002407 VOLUME 487652.464 3769907.341 503.75 LOCATION L0002408 VOLUME 487652.788 3769915.925 503.76 LOCATION L0002409 VOLUME 487653.111 3769924.509 503.77** END OF LINE VOLUME SOURCE ID = SLINE8** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐** LINE SOURCE REPRESENTED BY ADJACENT VOLUME SOURCES** LINE VOLUME SOURCE ID = SLINE10** DESCRSRC 21% INBOUND** PREFIX** LENGTH OF SIDE = 8.59** CONFIGURATION = ADJACENT** EMISSION RATE = 8.347E‐07** VERTICAL DIMENSION = 7.06** SZINIT = 3.28** NODES = 5** 487592.934, 3769304.275, 502.04, 3.53, 4.00** 487589.018, 3769534.182, 502.41, 3.53, 4.00** 487593.164, 3769670.204, 502.08, 3.53, 4.00** 487645.844, 3769731.665, 503.43, 3.53, 4.00** 487653.244, 3769928.025, 503.92, 3.53, 4.00** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ LOCATION L0002410 VOLUME 487592.861 3769308.569 502.00 LOCATION L0002411 VOLUME 487592.715 3769317.158 502.00 LOCATION L0002412 VOLUME 487592.568 3769325.747 502.00 LOCATION L0002413 VOLUME 487592.422 3769334.336 502.00 LOCATION L0002414 VOLUME 487592.276 3769342.924 502.00 LOCATION L0002415 VOLUME 487592.129 3769351.513 502.00 LOCATION L0002416 VOLUME 487591.983 3769360.102 502.00 LOCATION L0002417 VOLUME 487591.837 3769368.691 502.00 LOCATION L0002418 VOLUME 487591.691 3769377.279 502.00 LOCATION L0002419 VOLUME 487591.544 3769385.868 502.00 LOCATION L0002420 VOLUME 487591.398 3769394.457 502.00 LOCATION L0002421 VOLUME 487591.252 3769403.046 502.00 LOCATION L0002422 VOLUME 487591.105 3769411.634 502.00 LOCATION L0002423 VOLUME 487590.959 3769420.223 502.00 LOCATION L0002424 VOLUME 487590.813 3769428.812 502.00 LOCATION L0002425 VOLUME 487590.666 3769437.401 502.00 LOCATION L0002426 VOLUME 487590.520 3769445.989 502.00 LOCATION L0002427 VOLUME 487590.374 3769454.578 502.00 LOCATION L0002428 VOLUME 487590.228 3769463.167 502.16 LOCATION L0002429 VOLUME 487590.081 3769471.756 502.35 LOCATION L0002430 VOLUME 487589.935 3769480.344 502.53

Page 9

Res LOCATION L0002431 VOLUME 487589.789 3769488.933 502.66 LOCATION L0002432 VOLUME 487589.642 3769497.522 502.65 LOCATION L0002433 VOLUME 487589.496 3769506.111 502.65 LOCATION L0002434 VOLUME 487589.350 3769514.699 502.64 LOCATION L0002435 VOLUME 487589.203 3769523.288 502.64 LOCATION L0002436 VOLUME 487589.057 3769531.877 502.63 LOCATION L0002437 VOLUME 487589.209 3769540.464 502.64 LOCATION L0002438 VOLUME 487589.471 3769549.050 502.65 LOCATION L0002439 VOLUME 487589.733 3769557.636 502.66 LOCATION L0002440 VOLUME 487589.994 3769566.222 502.66 LOCATION L0002441 VOLUME 487590.256 3769574.808 502.67 LOCATION L0002442 VOLUME 487590.518 3769583.394 502.68 LOCATION L0002443 VOLUME 487590.780 3769591.980 502.69 LOCATION L0002444 VOLUME 487591.041 3769600.566 502.70 LOCATION L0002445 VOLUME 487591.303 3769609.152 502.71 LOCATION L0002446 VOLUME 487591.565 3769617.738 502.72 LOCATION L0002447 VOLUME 487591.826 3769626.324 502.73 LOCATION L0002448 VOLUME 487592.088 3769634.910 502.73 LOCATION L0002449 VOLUME 487592.350 3769643.496 502.56 LOCATION L0002450 VOLUME 487592.611 3769652.082 502.35 LOCATION L0002451 VOLUME 487592.873 3769660.668 502.14 LOCATION L0002452 VOLUME 487593.135 3769669.254 502.00 LOCATION L0002453 VOLUME 487598.135 3769676.004 502.00 LOCATION L0002454 VOLUME 487603.726 3769682.526 502.12 LOCATION L0002455 VOLUME 487609.316 3769689.048 502.31 LOCATION L0002456 VOLUME 487614.906 3769695.570 502.50 LOCATION L0002457 VOLUME 487620.497 3769702.092 502.68 LOCATION L0002458 VOLUME 487626.087 3769708.614 502.87 LOCATION L0002459 VOLUME 487631.677 3769715.136 503.05 LOCATION L0002460 VOLUME 487637.267 3769721.658 503.24 LOCATION L0002461 VOLUME 487642.858 3769728.180 503.43 LOCATION L0002462 VOLUME 487645.995 3769735.663 503.53 LOCATION L0002463 VOLUME 487646.318 3769744.247 503.54 LOCATION L0002464 VOLUME 487646.642 3769752.831 503.55 LOCATION L0002465 VOLUME 487646.965 3769761.415 503.56 LOCATION L0002466 VOLUME 487647.289 3769769.999 503.57 LOCATION L0002467 VOLUME 487647.612 3769778.582 503.59 LOCATION L0002468 VOLUME 487647.936 3769787.166 503.60 LOCATION L0002469 VOLUME 487648.259 3769795.750 503.61 LOCATION L0002470 VOLUME 487648.583 3769804.334 503.62 LOCATION L0002471 VOLUME 487648.906 3769812.918 503.63 LOCATION L0002472 VOLUME 487649.229 3769821.502 503.64 LOCATION L0002473 VOLUME 487649.553 3769830.086 503.65 LOCATION L0002474 VOLUME 487649.876 3769838.670 503.66 LOCATION L0002475 VOLUME 487650.200 3769847.254 503.67 LOCATION L0002476 VOLUME 487650.523 3769855.838 503.68 LOCATION L0002477 VOLUME 487650.847 3769864.421 503.69 LOCATION L0002478 VOLUME 487651.170 3769873.005 503.70 LOCATION L0002479 VOLUME 487651.494 3769881.589 503.71 LOCATION L0002480 VOLUME 487651.817 3769890.173 503.73 LOCATION L0002481 VOLUME 487652.141 3769898.757 503.74 LOCATION L0002482 VOLUME 487652.464 3769907.341 503.75 LOCATION L0002483 VOLUME 487652.788 3769915.925 503.76 LOCATION L0002484 VOLUME 487653.111 3769924.509 503.77** END OF LINE VOLUME SOURCE ID = SLINE10** ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐�

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