the region 7 international air team - us epa region 7 international air team presents its work on...
TRANSCRIPT
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The Region 7 International Air Team
Presents Its WorkOn The
The Map Ta Phut Air Quality StudyMap Ta Phut, Thailand
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Thailand Contributions
• Josh Tapp• Royan Teter• Mick Daye• Thien Bui• Scott Postma• Bill Fairless• Mike Davis• Jon Knodel
• Royce Kemp• Dale Armstrong• Bill Landis• TNRCC• Doe Run• Vulcan Chemicals• KDHE• MDNR
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Map Ta Phut
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Map Ta Phut By Industrial Sector
Oil Refining (2 plants)
Petrochemical (19plants)Chemical and Feterilizer(15 plants)Steel (7 plants)
Utilities (5 plants)
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Ministry of Science,Technology andthe Environment
Ministry ofIndustry
Industry
Map Ta PhutEnvironmental
Task Force
PollutionControl Dept
Dept. OfIndustrial Works
Star
Industrial EstateAuthority of
Thailand
DOW
BAYER
PTT
Public
Office ofEnvironmental
Policy and Planning
CommunityLeaders
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Original Study
• Objective I: Criteria Pollutant Investigation• Objective II: Health Investigation• Objective III: Odor Investigation• Objective IV: Emissions Standards Eval.• Objective V: Community Communication
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Revised Study
• Objective I: Criteria Pollutant Investigation
• Objective V: Community Communication
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Three Part Study
• Part One: Determine the ability of the selected air dispersion model to predict ambient air concentrations of PM10, SO2 and NO2 air pollutants.
• Part Two: Characterize the growth potential of the Map Ta Phut Industrial Estate.
• Part Three: Explain the results to the impacted communities.
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Monitoring Protocol
* Quality Assurance Procedures* Monitoring Equipment Specifications* Siting Criteria* Site Operation Procedures* Audit Forms
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Quality Assurance*Tested Equipment*Calibration Procedures*Traceable Standards*Quality Control Checks*Audits*Maintenance
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Quality Monitoring Sites*Obstruction*Unrestricted Air Flow*Spacing From Road*Vertical Probe Placement*Vicinity to Sources
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Emission Inventory (EI)
• What is an EI?• How is an EI derived?• What are the EI needs for the MTP study?• What challenges have arisen?• What’s next?
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What is an EI?• Source type (point, area, volume, area, mobile)• Process rates• Emission rates• Stack parameters (dimensions, exit speed, temp,
configuration, rain caps)• Locational data (emission points, buildings)• Operating schedules• Emission control information (type, efficiency)• Upsets
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How is an EI derived?
• Questionnaires– Stack tests– Emission factors– Continuous Emission Monitoring Systems
(CEMS)• Emission Models
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What EI data are required for the MTP study?
• Hourly emissions reflective of the study period (actual emissions)
• Hourly emissions reflective of maximum operations (allowable emissions)
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Stack Tests at M.T.P. IE
• Refusal to perform PM10 or cascade sampling• PM10 = Front half plus M202• First time performing M202• One run tests standard• CEMS are not RATA• Test Reports not submitted for review• 9 of 12 tests were above standard• 8 of those 9 were twice the standard or more• Very limited or non existent enforcement
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What EI challenges have arisen?• Historical data is of unknown or poor quality
– Lack of adequate records– Lack of standard protocols– CEMS have never been certified– Poor or no QA/QC– Lack of a central database– Poorly maintained equipment
• Contractor Resistance• No authority to compel submission of data• Facilities are unaccustomed to keeping detailed records• Uncertainty in emission estimates (area, mobile)
• Language barriers
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In summary...
• An EI is an accounting of all emissions and modeling parameters needed to simulate air quality within a given study area
• EI methods include the use of testing, questionnaires, mass balance, and CEMS
• Actual and allowable emission inventories are required to support the MTP study
• Data quality issues pose the greatest challenges• Data collection and modeling are next
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AIR QUALITY MODELING
• CALMET/CALPUFF MODEL• SHORT TERM• NEAR FIELD• SEA-LAND BREEZE• ELEVATED TERRAIN• METEOROGICAL DATA
– COMPUTER GENERATED MM5– LOCAL OBSERVATIONS
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AIR QUALITY MODELING
• FUTURE REGION 7 APPLICATIONS• COMPLEX SITUATIONS
– WEEPING WATER, NEBRASKA– HOLCIM, MISSOURI– HERCULAEUM, MISSOURI
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Unique Obstacles
• Language• Number of Players: 4
Gov, 4 Ind, EPA, SECOT
• Donated Equipment• Monitor Siting
Limitations• Open Burning
• R7/MTP Distance • R7/MTP Time• Spare Parts• Calibration Gases• Accurate Ambient Air
Data• Accurate CEM Data
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Unique Benefits
• Build Technical Infrastructure
• Build Knowledge• Refine Environmental
Practices• Archetype for Future
Studies• Smart Planning• Exposure
Characterization
• Learn as we Teach• Improve
Understanding of Infrastructure Requirements
• Reduce Global Air Pollution
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