attachment e - environmental protection agency, ireland · odour management plan . - standard...

Attachment E

Attachment E should be read in conjunction with Section E of the IPPC License Application Form.

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E2. Potential Atmospheric Emissions

E.2.1 Pressure Vessel Relief System

All the three existing pressure vessels (and proposed fourth) are fitted with pressure relief valves to protect the vessels in the event of an over-pressure situation arising. . This has not occurred in the past 3 years.

All relief valves are overhauled and reset during pressure vessel turn-around during insurance inspection in accordance with the statutory requirements. The safety relief valves are sized to handle 120% of the steam flow. There is one safety relief valve per pressure vessel and the lines from the relief valves discharge are piped to the pressure relief tank where the system flashes. The flashed steam is condensed and the pressure relieved to a vent tank which is submerged entry and the vapours remaining are transferred to the bio-scrubber

E2.2 However, emissions to the environment outside the plant from ruptured tanks, etc. would be prevented by the bunded yard (which includes the spent water tank). These would contain such spillage for return to the process.

Localised Unscheduled Emissions to the Environment

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Contents: Fugitive Emissions

E3 Fugitive Emissions

The process has been contained via good design, modifications and good process control.

Odour emissions occur from a limited number of operations. These operations are connected to the bio-scrubber and it has sufficient capacity to control odours.

Dusting is a not potential problem but is kept under control by a variety of measures including

0

0 Sludge skip is sealed

0

All operations take place inside.

No raw materials are stored outside

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Assessment of Atmospheric Emissions

E4.1 Meteorological Data for Shannon

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_"lllll IL_- - T-- --- -- I

Total rainfall in millimetres for Shannon-Airport "- -_ Y e a r ~ J a ~ ~ ~ I M a r - I a j - J u n ' J u l Aug 1 Sep I Oct r Nov" i Dec I Annual

_ - Mean "I_ I I 1 Ocm I -"p-p7-- soil temperature for - Shannon-Airport 3-------- --- I'T ^ _ _ - _

111 __ -I 1111 I

Year Jan Feb Mar 7 Apr i May? Jun I Jul TAug Sep 1 Oct Nov Dec Annual 1

solar radiation 1981 -1990 The Annual temperatures for 201 1 are the means of 337 daily values. The Annual totals for 2011 are the totals of 337 daily values. The Annual temperatures for 2010 are the means of 365 daily values. The Annual totals for 2010 are the totals of 365 daily values.

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E4.2 Air Quality Monitoring by Odour Net Ireland

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EPA Export 26-05-2014:23:41:41

O D O U R m o n i t o r i n g

R f , k l ' j

ODOUR 8 Environmental Engineering Consultants

Unlt 32 De Granvllle Court, Dublin Rd, Tnm, CO Meath

Tel +353 46 9437922 Fax +353469483696 Moble +353 86 8550401 Moble +353 87 682901 1 E-mail info@odourireland corn E-mail john@odourireland le www odounreland corn

ODOUR IMPACT ASSESSMENT OF BRANDON PRODUCTS LTD LOCATED IN KILCOLMAN, ASDEE, CO. KERRY.

PERFORMED BY ODOUR -0RING IRELAND ON BEHALF OF MONTGOMERY EHS LTD

PREPARED BY: Dr. Brian Sheridan DATE: 18" January 2012 REP~RT NUMBER: 201250(2) DOCUMENT VERSION: Document Ver. 002 REVIEWERS:

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Document No . 201250(2)

TABLE OF CONTENTS

Montgomery EHS Ltd

... 1 . Executive Summary .................................................................................. 111

2 . Introduction ................................................................................................ 1

3 . Materials and Methods .............................................................................. 2 Odour sampling and analysis ............................................................................................ 2

3.1 . 1 . Odour sampling techniques ....................................................................................... 2 3.1.2. Olfactometry ............................................................................................................... 2 3.1.3. Odour measurement in accordance with the EN13725:2003 .................................... 2 3.1.4. What is an odour unit? .........................................................................................

3.2. Volumetric aidlow rate calculation .................................................................................... 3 3.3. Odour emission rate calculation ........................................................................................ 3 3.4. Dispersion modelling ......................................................................................................... 3

3.4.1 . Atmospheric dispersion modelling of odours: What is dispersion modelling? ........... 3 3.4.2. AERMOD Prime ..................................................................................... 3.4.3. Model assumptions .................................................................................................... 4 3.4.4. Odour impact criterion for Brandon Products Ltd bio-scrubbing operations .............. 5

3.5. Meteorological data ........................................................................................................... 5 3.6. Terrain data ....................................................................................................................... 6 3.7. Building wake effects ........................................................................................................ 6

3.1.

4 . Results ........................................................................................................ 7 4.1 . Volumetric airflow rate calculations for Scenario 1 ........................................................... 7 4.2. Odour emission data for Scenarios 1 ................................................................................ 8 4.3. Odour emission rates from Brandon Products Ltd bio-scrubbing operations for atmospheric dispersion modelling Scenario 1 ............................................................................. 8 4.4. Resutts of odour dispersion modelling for the bio-scrubbing operations located in Brandon Products Ltd facillty ....................................................................................................... 9

5 . Discussion of results ............................................................................... 10 5.1. Odour impact from existing facility operat is - ref Scenario I ...................................... 10

6 . Conclusions ............................................................................................. 11

7 . Recommendations ................................................................................... 11

8 . Appendix I . Odour dispersion modelling contour results ................... 12 8.1. Site layout ....................................................................................................................... 12

9 . Appendix I / - Odour Management plan overview ................................. 14 . .............................................................. 9.1 . Odour management plan - Standard practice 14

I O . References ................................................................................................ 15

11 . Appendix 111 . Meteorological data examined and used in the dispersion modelling exercise ......................................................................... 16 12 . Total .......................................................................................................... 16

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Document No. 201250(2)

Document Amendment Record

Montgomery EHS Ltd

Client: Monfuomerv EHS Lfd.

Title: Odour impact assessment of Brandon Products Ltd located in Kilcolman, Asdge, Co. Keny.

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Document No. 201250(2) Montgomery EHS Ltd

I. Executive Summary

Odour Monitoring Ireland was commissioned by Montgomery EHS to perform an odour impact assessment of the bio-scrubbing odour control system located in Brandon Products Ltd, Kilcolman, Asdee, Co. Kerry. The bio scrubber treats odours from the seaweed manufacturing process.

Volume flow and odour sampling and analysis were performed on the exhaust of the bio scrubbing process and were used to construct the basis of the modelling assessment. The measured odour emission rate was used in conjunction with odour dispersion modelling to assess the potential odour impact of the bio scrubbing system in line with established odour dose response impact criteria.

One data set for odour emission rates was calculated to determine the potential odour impact of Brandon Products Ltd bio scrubbing operations. This included:

Ref Scenario 1: Predicted overall odour emission rate from existing Brandon Products Ltd bio scrubber operations (see Table 4.3).

Aermod Prime (1 11 03) was used to determine the overall odour impact of the scenario as set out in odour impact criteria presented in Section 3.4.4. The output data was analysed to calculate:

Ref Scenario 1 : 0 Predicted odour emission contribution of overall existing Brandon Products Ltd bio-

scrubbing system operation (see Table 4.3), to odour plume dispersa! at the 98'h percentile for an odour concentration of less than or equal to 1.50 OuE/m (see Figure 8.2) for 7 years of screened hourly sequential meteorological data (Shannon 1999 considered worst case year) - ref Scenario 1.

These computations give the odwr concentration at each Cartesian grid receptor location that is predicted to be exceeded for 2% (175 hours) of seven years of screened hourly meteorological data providing approximately 61,320 hourly computations with the worst case year selected for data presentation.

It was concluded that:

1. The odour bio-scrubbing system is achieving a treatment volume flow of 5,069 m3/hr and a treatment removal efficiency of 62% on the day of monitoring. The mass odour emission rate from the exhaust of the bio-scrubbing odour control system was 1,003 OU&.

2. with regard to Scenario 1, in accordance with odour impact criterion in Table 2.2, and in keeping with current recommended odour impact criterion in this country, all residential receptors in the vicinity of the operating facility will perceive and odour concentration less than 1.50 Oudm3 for the 98" percentile of hourly averages for worst case meteorological year Shannon 1999.

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Document No. 20125q2) Montgomery EHS Ltd

2. Introduction

Odour Monitoring Ireland was commissioned by Montgomery EHS to perform an odour sampling and odour dispersion modelling assessment of the existing bio-scrubbing operations located in Brandon Products Ltd, Kilcolman, Asdee, Co. Kerry.

The existing faciltty processes sea weed in useable products. The bio-scrubbing odour treatment process abates odours from this process.

This document will present the collected odour threshold concentration and volume flow data from the bio scrubbing process and the dispersion modelling scenario generated for the existing site operations. Materials and methods, assumptions, results and discussion and conclusions are presented within this document.

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3. Materials and Methods

This section will describe the materials and methods used throughout the study period.

3.1. Odour sampling and analysis

3.1.1. Odour sampling techniques

In order to obtain air samples for odour assessment, a static sampling method was used where air samples were collected in 40 to 60 lire preconditioned NalophanNA bags using a vacuum sampling device over a 5 to 10 minute period. The sampler operates on the 'lung principle', whereby the air is removed from a r i id container around the bag by a battery powered SKC vacuum pump at a rate of 5 to 9 I min . This caused the bag to fill through a stainless steel and PTFE tube whose inlet is placed in ambient air, with the volume of sample equal to the volume of air evacuated from the rigid container. Samples were taken on the inlet and exhaust of the bio- scrubbing system.

3.1.2. Olfactometry

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Olfactometry using the human sense of smell is the most valid means of measuring odour (Dravniek et al, 1986) and at present is the most commonly used method to measure the concentration of odour in air (Hobbs et al, 1996). Olfactometry is canied out using an instrument called an olfactometer. Three different types of dynamic dilution olfactometers exist:

YedNo Olfactometer Forced Choice Olfactometer Triangular Forced Choice Olfactometer.

In the dynamic dilution olfactometer, the odour is first diluted and is then presented to a panel of screened panellists of no less than four (CEN, 2003) Panellists are previously screened to ensure that they have a normal sense of smell (Casey et al., 2003). According to the CEN standard this screening must be performed using a certified reference gas n-butanol. This screening is applied to eliminate anosmia (low sensitivity) and super-noses (high sensitivrty). The odour analysis has to be undertaken in a low odour environment such as an airconditioned odour free laboratory. Analysis should be performed preferably within 8 to 12 hours of sampling.

b v 3.1.3. Odour measurement in accordance with the EN13725:2003

An ECOMA TO8 dynamic y d n o olfactometer was used throughout the measurement period to determine the odour threshold axwmhbo . n of the sample air. The odour threshold concentration is defined as the dilution factor at whih 50% of the panel can just deted the odour. Only those panel members who pass screening tests with n-butanol (certified reference gas, CAS 72-36-3) and who adhered to the code of behaviour were selected as panellists for olfactometry measurements (CEN, 2003). Odow measurement was canied out in an odour free laboratory in accordance with EN137252003. The analyses were carried out in the laboratory of Odour Monitoring Ireland in Trim Co. Meath.

3.1.4. What is an odour unit?

The odour concentratiin of a gaseous sample of odourant is determined by presenting a panel of selected screened human panellists with a sample of odourws air and varying the concentration

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by diluting with odourless gas, in order to determine the dilution factor at the 50% detection threshold. The Zm value (threshold concentration) is expressed in odour units (0uE m").

The European odour unit is that amount of odourant(s) that, when evaporated into one cubic metre of neutral gas (nitrogen), at standard conditions elicits a physiological response from a panel (detection threshold) equivalent to that elicited by one European Reference Odour Mass (EROM) evaporated in one cubic meter of neutral gas at standard conditions. One EROM is that mass of a substance (n-butanol) that will elicit the Z, physiological response assessed by an odour panel in accordance with this standard. n-Butanol is one such reference standard and is equivalent to 123pg of n-butanol evaporated in one cubic meter of neutral gas at standard conditions (CEN, 2003).

3.2. Volumetric airflow rate cakulation.

Volume flow rate was measured in accordance with EN13284-I where possible. Measurement for air flow rate was performed in a 600 mm by 600mm square SectiOn of duct work.

The overall volumetric airflow rate from the identified source is presented in Table 4.1 for scenario %0 1.

3.3. Odour emission rate calculation.

The measurement of the strength of a sample of odourous air is, however, only part of the problem of quantifymg odour. Just as pollution from a stack is best quantified by a mass emission rate, the rate of production of an odour is best quantified by the odour emission rate. For a chimney or ventilation stack, this is equal to the odour threshold concentration (OUE m-3) of the discharge air multiplied by its flow-rate (m3 s-'). It is equal to the volume of air contaminated every second to the threshold odour limit (OuE s-I). The odour emission rate can be used in conjunction with dispersion modelling in order to estimate the approximate radius of impact or complaint (Hobson et ai, 1995).

3.4. Dispersion modelling

3.4.1. Atmospheric dispersion modelling of odours: What is dispersion modelling?

Any material discharged into the atmosphere is carried along by the wind and diluted by wind turbulence, which is always present in the atmosphere. This process has the effect of producing a plume of air that is roughly cone shaped with the apex towards the source and can be mathematically described by the Gaussian equation. Abnosphenc dispersion modelling has been applied to the assessment and control of odours for many years, originally using Gaussian form ISCST 3 and more recently utilising advanced boundary-layer physics models such as AOMS and AERMOD (Keddie et al. 1992). Once the odour emission rate from the source is known, (OUE s-I), the impact on the vicinity can be estimated. These models can effectively be used in three different ways: firstly, to assess the dispersion of odours and to correlate with complaints; secondly, in a 'rev8r& mode, to estimate the maxhnom odour emissions which can be permitted from a site in order to prevent odour complaints occurring; and thirdly, to determine which process is contributing greatest to the odour impact and estimate the amount of required abatement to reduce this impact within acceptable levels (Mclntyre et al. 2000). In this latter mode, models have been employed for imposing emission limits on industrial processes, odour control systems and intensive agricultural processes (Sheridan et al., 2002).

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3.4.2. AERMOD Prime

The AERMOD model was developed through a formal collaboration between the American Meteorological Society (AMs) and U.S. Environmental Protection Agency (U.S. EPA). AERMOD is a Gaussian plume model and replaced the ISC3 model in demonstrating compliance with the National Ambient Air Qual@ Standards (Porter et al., 2003) AERMIC (USEPA and AMS working group) is emphasizing development of a platform that includes air turbulence structure, scaling, and concepts; treatment of both surface and elevated sources; and simple and complex terrain. The modelling platform system has three main components: AERMOD, which is the air dispersion model; AERMET, a meteorological data preprocessor; and AERMAP, a terrain data preprocessor (Cora and Hung, 2003).

AERMOD is a Gaussian steady-state model which was developed with the main intention of superseding ISCST3 (NZME, 2002). The AERMOD modeling system is a significant departure from ISCST3 in that it is based on a theoretical understanding of the atmosphere rather than depend on empirical derived values. The dispersion environment is characterized by turbulence theory that defines convective (daytime) and stable (nocturnal) boundary layers instead of the stability categories in ISCST3. Dispersion coefficients derived from tuFbulence theories are not based on sampling data or a specific averaging period. AERMOD was especially designed to support the U.S. EPAs regulatory modeling programs (Potter at al., 2003). Special features of AERMOD include its ability to treat the vertical in-homogeneity of the planetary boundary layer, special treatment of surface releases, irregularly-shaped area sources, a three plume model for the convective boundary layer, limitation of vertical mixing in the stable boundary layer, and fixing the reflecting surface at the stack base (Curran et al., 2006). A treatment of dispersion in the presence of intermediate and complex terrain is used that improves on that currently in use in ISCST3 and other models, yet without the complexity of the Complex Terrain Dispersion Model- Plus (CTDMPLUS) (Diosey et al., 2002).

- 3.4.3. Model assumptions

The approach adopted in this assessment is considered a standard investigation in respect of emissions to the atmosphere from the bio-scrubbing operations. These assumptions are summarised and include:

The approach adopted in this assessment is considered a worst-case investigation in respect of emissions to the atmosphere from the existing bio-scrubbing operations. These predictions are therefore most likely to over estimate the GLC that may actually occur for each modelled scenario. These assumptions are summarised and indude:

Emissions to the atmosphere from the existing bio-scrubbing operations were assumed to occur 24 hours each day I 7 days per week over a standard year at 100% output. Seven years of hourly sequential meteorological data from Shannon 1998 to 2002 and 2004 to 2005 inclusive was used in the modelling screen which will provide statistical significant results in terms of the short and long term assessment. The worst case year 1999 was used for data analysis. This is in keeping with guidance. In addition, AERMOD incorporates a meteorological prep~ocessor AERMET PRO. The AERMET PRO meteorological preprocessor requires the input of surface characteristics, including surface roughness (zO), Bowen Ratio and Albedo by sector and season, as well as hourly observations of wind speed, wind direction, doud cover, and temperature. The values of Albedo, Bowen Ratio and surface roughness depend on land-use type (e.g., urban, cultivated land etc) and vary with seasons and wind direction. The assessment of appropriate land-use type was carried out to a distance of 1Okm from the meteMdogical station for Bawen Ratio and Albedo and to a distance of lkm for surface roughness in line with USEPA recommendations.


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Document No. 201250(2) Montgomely EHS Ltd

AERMOD Prime (1 1103) dispersion modelling was utilised throughout the assessment in order to provide the most conservative dispersion estimates. All building wake affects were assessed within the dispersion model.

3.4.4. Odour impact criterion for Brandon Products Ltd bio-scrubbing operations

An odour impact criterion defines the odour threshold concentration limit value above baseline in ambient air, which will result in an odour stimulus capable of causing an odour complaint. There are a number of interlinked factor, which causes a nearby receptor (i.e. resident) to complain. These include:

Odour threshold concentration, odour intensity and hedonic tone-defined measurable parameters at odour source, Frequency of odour-how frequently the odour is present at the receptor location, Duration of odour-how long the odour persists at the receptor location, Physiological-previous experiences encountered by receptor, etc.

By assessing these combined interlinked factors, the ability for a facility to cause odour complaint can be determined. As odwr is not measurable in ambient air due to issues in sampling techniques, limit of detections for olfactometers and the inabilrty to monitor continuously, therefore dispersion models become useful tools in odour impact assessments and odour risk analysis. Dispersion modelling also allows for the assessment of proposed changes in processes within the facility without actually having to wait for the processes to be changed (i.e. predictive analysis).

Impacts from the facility operations are assessed in accordance with the following requirements. These include:

kw

1. EPA guidance documents 'Odour impacts and odour emission control measures for intensive agriculture, EPA, 2001,

2. AG4 - Air Dispersion Modelling from Industrial Installations Guidance Note (Am) and

3. H Horizontal Guidance notes (2010), UK Environment Agency

Based on these publications, a value of less than 1.50 Ou$m3 at the 98" percentile of hourly averages for 7 years of screened hourly sequential meteorological data was examined as this was considered the most appropriate odour impact criterion as this facilrty.

'crc 3.5. Meteorological data.

Seven years of hourly sequential meteorological data was chosen for the modelling exercise (i.e. Shannon 1998 to 2002 and 2004 and 2005 inclusive). A schematic wind rose and tabular cumulative wind speed and directions of all seven years are presented in Section 11. All seven years of met data was screened to provide more statistical Srgnmcant result output from the dispersion model. The worst case year 1999 was used for data presentation. This is in keeping with national and international recommendations on quality assurance in operating dispersion models and will provide a worst case assessment of predicted ground level concentrations based on the input emission rate data. Surface roughness, Albedo and Bowen ratio were assessed and characterised arwnd Aldergrove met station for AERMET Pro processing.


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3.6. Terrain data.

Topography effects were not accounted for within the dispersion modelling assessment as terrain was considered simple in the immediate area around the site. All receptor heights were assumed to be at the same height as the emission point as confirmed by Montgomery EHS.

3.7. Building wake effects

Building wake effects are accounted for in modelling scenarios through the use of the Prime algorithm (i.e. all building features located within the facility) as this can have a significant effect on the compound plume dispersion at short distances from the source and can significantly increase GLC’s in dose proximity to the faciltty. All building strudures and stack height and orientations were inputted into the dispersion model in order to allow for wake effects to be taken in to account in the calculations. The latest BPIP version (04274) was utilised in the analysis. The emission point was considered a honzontal emission point within the assessment.


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EPA Export 26-05-2014:23:41:41

Document No. 201250(2)

4.2. Odour emission data for Scenarios 1

Sample number Sample identity

Montgomery EHS Ltd

Average Odour threshold thr--L-,, conc (ouE/m3)

One data set for odour emission rate was calculateL .J determine the potential odour impact of the existing operational bio-scrubber utilising site specific and source odour emission data. This scenario included:

odour esrluld conc (ouE/m3)

SI28101 1 670 Outlet of bio- scrubber fh itlet nf hin- - -

Ref Scenario 1: Predicted overall odour emission rate from existing Brandon Products Ltd bio-scrubbing facility operations (see Table 4.3).

Odour removal eff. (%)

4.3. atmospheric dispersion modelling Scenario 1.

Odour emission rates from Brandon Products Ltd bio-scrubbing operations for

VI.._. .,. I._

scrubber Outlet of bio- scrubber Inlet to bio-scrubber Inlet to bio-scrubber Inlet to bio-scrubber

Table 4.2 presents the results collected from the odour threshold concentration measurement study. As can be observed the overall average exhaust odour threshold concentration is 712 Ou$m3. The bio-scrubbing system was achieving an odour removal efficiency of at least 62%.

S2281011 845

S3281011 62 1 712 62.15

9 2 8 1 01 1 1,689 S5281011 1,824 S6281011 2,128 1,881

b w Table 4.2. Odour threshold concentration data for the measurement survey on the operational bio-scrubbing system located in Brandon Products Ltd.

Average exhaust odou! Volume flow rate (m3/hr) I Sample identity I threshold conc (Our/m 1 I Odour emission

rate (OuE/s)

71 2 I 5,069 I 1,003 threshold conc. I


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EPA Export 26-05-2014:23:41:41

Document No. 201 250(2) Montgomety EHS Ltd

Table 4.4 illustrated the source characteristics of the emission point and formed the basis of the dispersion model input file.

Table 4.4. Source characteristics for the dispersion model.

4.4. Results of odour dispersion modelling for the bio-scrubbing operations located in Brandon Products Ltd facility

Aermod Prime (11103) was used to determine the overall odour impact of the bio-scrubbing operations in Brandon Products Ltd as set out in odour impact criteria contained in Section 3.4.4. The output data was analysed to calculate:

Ref Scenario 1 : 0 Predicted odour emission contribution of overall existing Brandon Prc$ucts Ltd bio-scrubbing

facility operation (see Table 4.3), to odour plume dispersal at the 98 percentile for an odour concentration of less than or equal to 1.50 OuE/m3 (see Figure 8.2) for 7 years of screened hourly sequential meteorological data (Shannon 1999 considered worst case year) - ref Scenario 1.

These computations give the odour concentration at each Cartesian grid receptor location that is predicted to be exceeded for 2% (175 hours) of seven years of screened hourly meteorological data providing approximately 61,320 hourly computations. The worst case meteorological year was utilised for data presentation as per AG4 guidance. w

This will allow for the predictive analysis of any potential impact on the neighbouring sensitive locations while the facility is in operation. It will also allow the operators of the facility site to assess the effectiveness of their mitigation strategies. The intensity of the odour from two or more sources of the facility operation will depend on the strength of the initial odour threshold concentration from the sources and the distance downwind at which the prediction and/or measurement is being made. Where the odow emission plumes km a number of sources combine downwind, then the predicted odour concenfrations may be higher than that resulting from an individual emission source. It is important to note that various odour sources have different odour characters. This is important when assessing those odour sources to minimise and/or abate. Although an odour source may have a high odour emission rate, the corresponding odour intensity (strength) may be law and Wefore it is easily diluted. Those sources that express the same odour character, as an odour impact should be investigated first for abatementlminimisation before other sources are examined as these sources are the driving force behind the character of the perceived odour.


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EPA Export 26-05-2014:23:41:41

Dowment No. 201250(2) Montgomery EHS Ltd

5. Discussion of results

'cw

This section will discuss the results obtained during the study.

5.1. Odour impact from existing facility operations - ref Scenario 1

As can be observed in figurn 8.2, the predicted odour plume from the facility operations has a radial impact area of approximately 25m from the boundary of the site in a north an$ north west direction for an odour wmentmh . n of less than or equal to 1.50 OuE/m3 at the 98 percentile of hourly averages for worst case meteorological year Shannon 1999. In accordance with the odour impact criterion presented in Section 3.4.4, there will be no odour impact from the operational bio-scrubbing system based on the data collected on the day of monitoring. In addition, odour concentration levels were predicted at eleven nearby sensitive receptors in the vicinity of the operational facility. As can be observed in Ttbk 5. I , all residential receptors will perceive an odour concentration less than 1.50 Ou,/m3 for the 98 percentile of screened hourly averages Over 7 years.

Table 5.1. Predicted odour concentrations at eleven sensitive receptor locations in the vicinity of Brandon Products Ltd facility for Scenario 1.


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6. Conclusions

A worst-case odour emission scenario was modelled using the atmospheric dispersion model Aermod Prime 11 103. The measured odour emission data and source characteristics were inputted into the dispersion model in order to assess the potential area of impact for the operating bio- scrubbing system. It was concluded that:

1. The odour bio-scrubbing system is achieving a treatment volume flow of 5,069 m3/hr and a treatment removal efficiency of 62% on the day of monitoring. The mass odour emission rate from the exhaust of the bo-scrubbing odour control system was 1,003 Ou&.

2. With regard to Scenario 1, in accordance with odour impact criterion in Table 2.2, and in keeping with current recommended odour impact criterion in this country, all residential receptors in the vicintty of the operating facility will perceive and odour concentration less than 1.50 O@m3 for the 98* percentile of hourly averages for worst case meteorological year Shannon 1999.

7. Recommendations

The following recommendations were developed during the study:

1. An odour management plan and auditing procedure should be operated and maintained throughout facility operations in line with standard practice.


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Dowment No. 201250(2) Montgomery EHS Ltd

9. Appendix // - Odour Management plan overview.

9.1. Odour management plan - - Standard practice

The Odour Management Plan (OMP) is a core document that is intended to detail operational and control measures appropriate to management and control of odour at the site. The format of the OMP should provide sufficient detail to allow operators and maintenance staff to deady understand the operational procedures for both normal and abnormal conditions.

An Odour Management Plan (OMP) should be prepared for all processes. The OMP should also include sufficient feedback data to allow site management (and local authority inspectors) to audit site operations. An example of some of the issues to be considered is summarised as follows. More detailed guidance is provided with this document.

0

e

0

U

0

A summary of the site and any waste, odour sources and the location of receptors, Details of the site management responsibilities and procedures for reporting faults, Identifying maintenance needs, replenishing consumables, complaints procedure, Odour critical plant operation and management procedures (e.g. correct use of plant, process, materials; checks on equipment performance, maintenance and inspection, Operative training, Housekeeping, Maintenance and inspection of plant (both routine and emergency response), Spillage and house keeping management procedures, Record keeping - format, responsibility for completion and location of records, Emergency breakdown and incident response planning including responsibilities and mechanisms for liaison with the local authority. Public relations.

The Odour Management Plan is a living document and should be regularly reviewed and upgraded. It should form the basis of a document Environmental and Odour Management system for the operating site. The Odour Management System documentation should define the roles of the Plant Operator and staff and sets out templates in relation to the operating of the facility and reporting procedures to be employed. Requirements for the Odour management plan should be implemented thought out the site with a branched management system implemented in order to share responsibility around the site. The head manager should ensure all works are performed in accordance witt~ the OMP. The OMP should be integrated in the overall Environmental Management SystemlPerformance management system.


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10. References

1.

2.

3.

4.

5.

6.

7.

8.

9. rcT

I O .

Callan, B.T., (1993). Noses Knows Best. In malodour measurement and control. Proceedings of the International Tydnall School, September. 134-145. CEN, (2003). EN1 3725Airquallty-Determetermination of odour concentration by dynamic olfactometry. Brussels, Belgium. DOE, (1993). Report by the Inspector on a Public Inquiry into the Appeal by Northumbrian Water Limited for Additional Sewage treatment facilities on land adjacent to Spitial Burns, Newbriggin-by-the-Sea, Northumberland in March 1993. DOE ref APP/F2930/A192/206240. Dravniek, A., (1986). Atlas of odor character profiles. ASTM Committee on sensory evaluation of materials and products, ASTM data series. Baltimore, MD, USA. EPA, (2001). Odour impacts and odour emission control measures for intensive agriculture. Commissioned by the Environmental Protection Agency (Ireland). OdourNet UK Ltd. Longhurst, P., (1998). Odour impact assessment of an extension to the Brogborough landfill site. IREC, Cranfield University, England. Mclntyre, A., (2000). Application of dispersion modelling to odour assessment; a practical tool or a complex trap. Water Science and Technology, 41 (6). 81-88. Sheridan, B.A. (2002). In hwse odour intensity and hedonic tone profile data of different odourous sources. Unpublished. Sheridan, B.A., (2001). Controlling atmospheric emissions-BAT Note Development, UCD Environmental Engineering Group, Department of Agricultural and Food Engineering, UCD, Dublin 2. Sheridan, B.A., Hayes, E.T., Curran, T.P., Dodd, V.A., (2003). A dispersion modelling approach to determining the odour impact of intensive pig production units in Ireland. Bioresource Technology. Published.


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11 .Appendix /// - Meteorological data examined and used in the dispersion

Table 11.1. Tabular illustration of Shannon meteorological files for Years 1998 to 2002 and 2004 to 2005 inclusive (7 years).

modelling exercise


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E4.3 Sampling of the inlet and outlet of the Bio-Scrubber by Catalyst Environmental

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talyst environmental

Unit lC, Langlands Square, Langlands Business Park, East Kilbride, G75 OYY T: 0800 328 1821

E: [email protected] Your Catalyst Contact: Barry Grant (07826 916 683)

Stack Emissions Testing Report Commissioned by Brandon Products Ltd

Installation Name & Address Brandon Products Ltd

Asdee County Kerry

Ireland

Stack Reference Bio Scrubber (Inlet)

Target Parameters Ammonia, Hydrogen Sulphide, Condensable VOCs, Total Amines, Total Mercaptans, Total VOCs (as Carbon)

Dates of the Monitoring Campaign 16th - 17th February 2011

Job Reference Number CEK-0450

Team Leader MCERTS Level 2

MM 06 718

Regional Manager MCERTS Level 2

CAT-RT (Version AI)

Copyright Q 2011 Catalyst Environmental Ltd. r c u n c n chndnn Prnrlmlrt~ - Bia Scrubber Inlet (Post)

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su

4279

CONTENTS

TITLE PAGE

CONTENTS

EXECUTIVE SUMMARY

Monitoring Objectives

Monitoring Results

Monitoring Dates &Times

Process Details

Monitoring & Analytical Methods

Summary of Method Deviations

Sampling Location

Plant Photos /Sample Points

2

APPENDIX 1 - Monitoring Personnel & List of Equipment

APPENDIX 2 - Raw Data, Sampling Equations & Charts

Opinions and interpretations expressed herein are outside the scope of Catalyst Environmental Ltd's UKAS accreditation.

This test report shallnot be reproduced, except in fu l l without the written opprovol of Cotolyst Environmental Ltd.

Brandon Products Ltd Asdee

CAr-RT (Version AI)

2 of 37


Job Number: CEK-0450, Version 1 Sample Date/% 16th - 17th February 2011

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Executive Summary (Page 1 of 7)

MONITORING OBJECTIVES

Brandon Products Ltd, Asdee

Bio Scrubber (Inlet) 16th - 17th February 2011


Overall Aim of the Monitoring Campaign

Catalyst Environmental Ltd were commissioned by Brandon Products Ltd to carry out stack emissions testing on the Bio Scrubber (Inlet) at Asdee.

The aim of the monitoring campaign was to perform testing, as requested by the customer, for a number of prescribed pollutants. There are no emission limits set for any of the pollutants a t this time.

Special Requirements

'uv There were no special requirements.

Brandon Products Ltd

Asdee

CAT-RT (Version AI)

3 of 37

Job Number: CEK-0450, Version 1

Sample Date/s: 16th. 17th February 2011 None:

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MONITORING RESULTS

Brandon Products Ltd, Asdee Bio Scrubber (Inlet)

16th - 17th February 2011

NOTE: VOLUMflRICFLOW RATE DATA TAKEN FROM THE PRELIMINARY VELOCITY TRAVERSE.

' Reference Conditions (REF) are: 273K, 101.3kPa, without correction for water vapour content.


CAT-RT (Version AI) 4 of 37

Job Number: CEK-0450, Version 1 Sample Datels: 16th - 17th Februaw 2011

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4279



MONITORING DATE(S) & TIMES



*

All results are expressed a t the respective reference conditions.



Job Number: CEK-0450, Version i Sample Datefs: 16th - 17th Februaly Z O i i

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PROCESS DETAILS




Standard Operating Conditions


Ardee o : - c l.l.-.,,"!-+,

CAT-RT (Version AI)

6 of 37

Job Number: CEK-0450, Version 1 Sample Date/s: 16th - 17th February 2011

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talyst 17ZCERTS d environmental Is *"*..,.> "<.<.L I_.---

4279


MONITORING & ANALYTICAL METHODS


Bio Scrubber (Inlet) 16th - 17th February 2011

ANALYSIS LABORATORIES (with short name reference as appears in the table above)

SUMMARY OF SAMPLING DEVIATIONS

Ratio highest to lowest velocities > 5 : 1. - ~ ~ - ~ _ _ _ _ _ ~ ~ ~

Brandon Products Ltd Asdee -..e... LL__,I_I^.\


Job Number: CEK-0450, Version 1 Sample Oatejs: 16th - 17th February 2011

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4279


SUITABILITY OF SAMPLING LOCATION

Duct Characteristics Location of Sampling Platform

Platform Details

!Platform has 2 levels of handrails (approx. 0.5m & 1.0m high) 1 N/A I

Sampling Location / Platform Improvement Recommendations

All platforms should be designed in accordance with the requirements in the Environment Agency's Technical Guidance Note M1 and BS EN 15259.

BS EN 15259 Homogeneity Test Requirements

There is no requirement to perform a BS EN 15259 Homogeneity Test on this Stack.

Sampling Plane Validation Criteria (from EA Technical Guidance Document (Monitoring) M1)


Asdee m)i" <.-.,,hhsr fin,.,\

CAT-RT (Version AI) 8 Of 37

Job Number: CEK-0450, Version 1 Sample Date/% 16th - 17th February 2011

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PLANT PHOTOS

Photo 1 Photo 2


Photo 3

Brandon Products Ltd Asdee -. - I , I . I &>

SAMPLE POINTS

I Line A

0 = isokinetic point

0 = combustion gases sample point

= non-isokinetic sample point

sampled a t



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APPENDICES

APPENDIX CONTENTS

APPENDIX 1 - Stack Emissions Monitoring Personnel and List of Equipment

APPENDIX 2 -Summaries, Calculations, Raw Data and Charts


Asdee - - . I , , , _ \

CAT-UT (Version AI) 10 of 37


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11111111 1 1 1

11111 111111 .. 11 111 111111111111

1111 LmI 1

WB 1 l m m l I .. 11 1111 None

T OF EQUIPMENT

Control Box DGM

Box Thermocouples

5OOg Check Weight

1Kg Check Weight

Last lmpinger Arm

I E 1 1 t 1 1 . ~ 1111111

Brandon Products Ltd Asdee Rim Crr~hh~r l ln le t l

lm

1~11~11.11.1

CAT 7.14

CAT 12.33

I 1.1a.11

Iy 111.11

CAT 17.10

CAT 17.10

AT 4.17614.17

CAB 11.11

CAT 1.18

I 11 .11

Servomex 4900

inm 1-1 m i w t

11 1-11 1 1 1 1 l l H @ 1 f l H r

Bernath 3006 FID

Heated Head Filter


1 1 1

CAT 8.10

I 11.11

CAT 6.22

CAT 6.21

I Miscellaneous Items

Equipment Type

Digital Manometer (1)

Digital Manometer (2)

Digital Temperature Meter

111111111

lrn Heated Line (2)

111 111111 1111 111

Job Number: CEK-0450, Version 1 Sample Date/s: 16th - 17th Februacy 2011

None:

- Equipment I.D.

CAT 3.27

CAT 3.27

WI 11.11

CAT 4.124

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EPA Export 26-05-2014:23:41:41

talyst MCERTI environmental >* -".,..,., .U. . I _16__-

4279

APPENDIX 2

PRELIMINARY STACK SURVEY: CALCULATIONS

General Stack Details

Stack Gas Composition %I Molecular Weights

Where: p = M 122.41

P, = r x p

Calculation of Stack Gas Densities

I kg/m3 3 1.203 I kn/m3 I 1.193

Where: P,,, =sum of component concentrations, kg/m3 (not including water vapour)

P,, = sum of all wet concentrations / 100 x density, kgfm3 (including water vapour)

Pmua i = P s m x (TSTP I (PsTP)) X ( (Psmc + P J IT31

Pnctvalw (ateachsampIingpoint)=P,,,x(T,/P,)x(P,/T,)

Calculation of Stack Gas Volumetric Flowrate, Q

Duct gas flow conditions

Total Pressure

\Gas Volumetric Flowrate (from Traverse) I Units 1 Result

Gas Volumetric Flowrate (Actual)

Gas Volumetric Flowrate (STP, Wet)

Gas Volumetric Flowrate (STP, Dry)

Gas Volumetric Flowrate REF '

Brandon Products Ltd Asdee R i o +riihhmr llnlrtl

CAT-RT (Version AI) 12 O f 37

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EPA Export 26-05-2014:23:41:41

W

APPENDIX 2

PRELIMINARY STACK SURVEY: VELOCITY TRAVERSE (1 of 1)

Traverse Depth

Point m

1 0.03 2 0.09 3 0.15 4 0.21 5 0.27 6 0.33 7 0.39 a 0.45 9 0.51 10 0.57

Mean

Brandon Products Ltd A d e e m.- c L.l.--,,",-*,

AP

mmHIO

2.6 0.2 0.6 0.9 2.2 3.6 6.4 12.1 14.5 19.4 6.3

Sampling Line A

Temp Wet Density

'C kg/m' 20.5 1.193 20.0 1.195 19.9 1.196 20.1 1.195 20.6 1.193 20.6 1.193 20.7 1.192 20.9 1.191 21.0 1.191 20.7 1.192 20.5 1.193

Velocity

45 5.42 1.50 2.60 3.18 4.98

8.50 6.37

11.69 12.80 14.80 7.18


Job Number: CEK-0450, Version 1 Sample Date/s. 16th - 17th Februaw 2011

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EPA Export 26-05-2014:23:41:41


Sample Runs

Blank Runs

General Sampling Information

FORMAT Numbe

Brandon Products Ltd Asdee Rio Scrubber llnlet)


Job Number: CEK-0450, Version 1 Sample

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EPA Export 26-05-2014:23:41:41

4279

APPENDIX 2

AMMONIA: SAMPLING DETAILS

Sample Runs


Where: DGM stands for D v Gas Meter

Blank Runs

Brandon Products Ltd Asdee R i n Zrrubber l lnletl



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EPA Export 26-05-2014:23:41:41


rnCEUTS ,~ -..,.> .‘<.<., -e-

4279

APPENDIX 2

AMMONIA: QUALITY ASSURANCE

Sample Runs

Pre-Sampling Leak Rate

Post-Sampling Leak Rate

Allowable Leak Rate

Leak Test Acceptable

Run 1

10.59

0 10 0.10 0.21

Yes

Run 2

9.78

0.11

0.10

0.20 Yes

Water Droplets Units Run 1 Run 2

Are Water Droplets Present No No

M U (Concurrent W

Measurement Uncertainty (MU)

Allowable M U

M U Acceptable

Silica Gel (Concurrent Water Vapour) Units Run 1 Run 2

Less than 50% Faded

Test Conditions Units Run 1 Run 2

Ambient Temperature Recorded?

% Yes Yes

Yes Yes

Blank Runs

Validity of Blank VS ELV

Allowable Blank rng/m’ N/A

lank Acceptable NIA

U

Method Deviations

Brand CAT-RT (Version Ai) 16 of 37

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EPA Export 26-05-2014:23:41:41

talyst 1ICCERTS d environmental ,.. Y""..'.I *<.<.,

4279

APPENDIX 2

AMMONIA: MEASUREMENT UNCERTAINTY CALCULATIONS

/Sampled Gas Pressure r i x~~ l 101.3 i kPa 0.5 j 0.5

iSamoled Gas Humiditv 1 H, 0.0 1 0.0 uH, 1 % v / v T ' - x I 1.0 1 ;Leak L 0 9 4 1.02

L, i 6.50 1 6.50 1

L, I rng/m'I 0.423 I 0.471 I o,,, i %v/v 1 N/A 1 N/A

'Measured Quantities 1 Units I Run1 1 Run2 I 1 -e

i

~ ~ - - ~ ^ ^ ^ .

1 units ! Run 2 2 - I

Parameter

/Combined uncertainty

;Expanded uncertainty (95% confidence)

F a n d e d uncertainty (95% confidence), estimated with Method Deviations

.__I_

-"

_l_--__~---̂ --II.___̂ _.-._..XI_ ....._.._I -_ ~~

IExoanded uncertainty (95% confidence), estimated with Method Deviations

Brandon Products Ltd Asdee Bio Scrubber (Inlet)

CAT-RT (Version Ai) 17 of 37

Job Number: CEK-0450, Version 1 Sample Datelr: 16th - 17th Februaw 2011

None:

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EPA Export 26-05-2014:23:41:41


APPENDIX 2

HYDROGEN SULPHIDE: RESULTS SUMMARY


Bio Scrubber (Inlet)

Sample Runs

Mass Emission

Blank Runs


Titanium

Titanium

FORMAT Number Used / Number Required

FORMAT Number Used / Number Required

Reference Conditions

Reference Conditions are: 273K, 101.3kPa, without correction for water vapour content.

Brandon Products Ltd Asdee Bio Scrubber Iinlet)

CAT-RT (Version AI)

18 of 37

Job Number: CEK-0450, Version 1

Sample Oat& 16th - 17th Februaw 2011 None:

For

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s only

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EPA Export 26-05-2014:23:41:41

talyst PZCERTS environmental .",l"..,.*..*II _.__dm

4279

APPENDIX 2

HYDROGEN SULPHIDE: SAMPLING DETAILS

Sample Runs

!Silica TraD End Mass f

I % v / v 2.54 2.55 I A-. . . l _ l " " _ ~ "" I_-..- -...-- "__---A !Calculated Water Vapour

__...____I _ _ ~

Where: DGM stands for Dry Gas Meter

Blank Runs

Brandon Products Ltd Asdee Rio Crriihhrr l l n l d


Job Number: CEK-0450, Version 1 Sample Date/s 16th - 17th February 2011

None.

For

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EPA Export 26-05-2014:23:41:41


APPENDIX 2

HYDROGEN SULPHIDE: QUALITY ASSURANCE

Sample Runs



Allowable Leak Rate


Allowable Absorption Efficiency

Absorption Efficiency Acceptable

Less than 50% Faded

Ambient Temperature Recorded?

Blank Runs

leak Test Results

Expected Sampling Rate



Allowable Leak Rate


Units Blank 1

I /mn 10 00

I/min 0.08 I/mm 0 20

I/mm 0.08

Yes

Validity of Blank vs ELV Units Blank 1

Allowable Blank mg/m3 N/A

Blank Acceprable N/A

Method Deviations

Nature of Deviation Run Number

Ratio highest to lowest velocities > 5 1

Lowest differential pressure < 5 Pa

Brandon Products Ltd Asdee Rin trruhhhr Ilnlat\


Job Number CEK-0450, Version 1 Sample Date15 16th - 17th Februaw 2011

None:

For

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EPA Export 26-05-2014:23:41:41

APPENDIX 2

HYDROGEN SULPHIDE: MEASUREMENT UNCERTAINTY CALCULATIONS


1 Uncertaintv as a Percentage 1 [Measured Quantities 1 Units 1 Run1 I Run2 1 f Requirement of Standard \ _I --I__ .I--- -

<2% ~ - - Sampled Volume (Actual) % 2.00 2.00 1

k m o l e d Gas Temoerature % 1 0.73 072 11%

f ,Samoled Volume (STPI

!Leak I--- -- ~Laboratorv Result

Brandon Products Ltd Asdee Rin Crrb8hh.r llnletl

CAT-RT (Version All 21 of 37

Job Number: CEK-0450, Version 1 Sample Date/r: 16th - 17th February 2011

None:

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EPA Export 26-05-2014:23:41:41

W

Filter Housing Material

APPENDIX 2

Titanium

CONDENSABLE VOCS: RESULTS SUMMARY


Bio Scrubber (Inlet)

Sample Runs


Blank Runs ---.---- I Units / Blank 1 1 r !Parameter


1 lmpinger Material I Borosilicate Glass

I 47mm Glass Fibre

FORMAT Number Used / Number Requlred

FORMAT Number Used 1 Number Requlred

Reference Conditions

Reference Conditions are: 273K, 101.3kPa, without correction for water vapour content.

Brandon Products Ltd Asdee Rio Scrubber llnletl


Job Number: CEK-0450, Version 1 Sample Datels: 16th - 17th February 2011

None:

For

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EPA Export 26-05-2014:23:41:41

talyst d environmental VZCERTS ." -..", ..1.1.1 - twW.ll l t*

4279

APPENDIX 2

CONDENSABLE VOCS: SAMPLING DETAILS

Sample Runs

Parameter

Sampling Times

Sampling Dates

Sampling Device

Duration

AH

AH

pled (REF)

Sam

ass in Back Impinge

Units

mins

"C

mmH20

mrnH20

m'

1055 - 11:2S 12101 - 12:31

16/02/2011 16/02/2011

DGM DGM

30 30

4

4.0 6.0

12.0 12

12.0 12.0

0.3216 0.3271

Where: DGM stands for Dry Gas Meter

Blank Runs W

Para

Average V O l m

Total Mass Collected Calculated Concentration mg/m' < 0.90

CAT-RI p m n l m m 111 11 .I 11

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EPA Export 26-05-2014:23:41:41

4279


APPENDIX 2

CONDENSABLE VOCS: QUALITY ASSURANCE

Sample Runs

I -- 'Allowable Leak Rate


IAmbient Temperature Recorded?

Blank Runs

Method Deviations

Nature of Deviation

Brandon Products Ltd Asdee Bio Scrubber (Inlet)


Job Number: CEK-0450, Version 1 Sample Date/% 16th - 17th Februaw 2011

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EPA Export 26-05-2014:23:41:41


APPENDIX 2

CONDENSABLE VOCS: MEASUREMENT UNCERTAINTY CALCULATIONS

lSamoled Gas Humiditv -t 0.0 i P- E:- r;O...

I Uncertainty in Result 7

Laboratory Rewit

Factor for 0, Correction

7 Parameter Units I .- R~RZ~-~"-"--"""---. Combined uncertainty

iExpanded uncertainty (95% confidence)

Expanded uncertainty (95% confidence), estimated with Method Deviations

k x u n c e r t a i n t y

'Expanded uncertainty (95% confidence)

K a n d e d uncertainty (95% confidence), estimated with Method Deviations

.- . - -.

--?- I ------.----I- ~~ I-

c---

c -.

---.-_I _l-llll____._

-I__

_.--.- --,-...-..-,-

Brandon Products Ltd Asdee Rin Crri8hh.r llnletl



None:

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EPA Export 26-05-2014:23:41:41

attachment e - environmental protection agency, ireland · odour management plan . - standard...

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