ellis, melissa, tellevate, new source performance standards for grain elevators updates, mecc, 2016,...
TRANSCRIPT
![Page 1: Ellis, Melissa, Tellevate, New Source Performance Standards for Grain Elevators Updates, MECC, 2016, Overland Park](https://reader035.vdocuments.site/reader035/viewer/2022062400/5883d09f1a28abb7308b680f/html5/thumbnails/1.jpg)
Midwest Environmental Compliance Conference
Overland Park, KS – May 13, 2016
New Source Performance Standards for Grain Elevators - Updates
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Senior Consultant, Manager
of Tellevate’s Training
Services
– Certified environmental and management systems auditor
– Previous experience as a Regulatory Inspector and Compliance Assistance Provider
– 20+ years environmental and auditing experience
Areas of expertise:
• Environmental compliance program support
• Air quality compliance
• Multi-media compliance auditing
• Management systems
• Environmental training
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Melissa Ellis, CPEA
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40 CFR Part 60 New Source Performance Standard (NSPS) Subpart DD for Grain Elevators
NSPS Subpart DD for Grain Elevators
• Criteria pollutant - Particulate Matter (PM)
• Best System of Emission Reduction (BSER)
• History
• Promulgated 1978
• Reviewed 1984 & amended in 1988, 1989, and 2000
• Proposed amendments 7/9/2014
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Who is subject?
NSPS Subpart DD - Applicability
• Grain Terminal Elevator
• >2.5 M bushel permanent storage capacity
• Grain Storage Elevator
• >1.0 M bushel permanent storage capacity
• Constructed, modified or reconstructed after 8/3/1978
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Particulate Matter (PM) Standards
NSPS Subpart DD - Requirements
• Dryers – Column & Rack
• 0% opacity
• Process Emissions
• PM < 0.01 gr/dscf & 0% opacity
• Fugitive Emissions
• Truck/rail unloading and rail loading < 5% opacity
• Grain handling 0% opacity
• Truck loading < 10% opacity
• Barge/ship loading < 20% opacity
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PM Standards
NSPS Subpart DD - Requirements
• Barge/ship unloading
• Enclosed unloading leg & ventilation to control device
• Air ventilated > 40 ft3/bu
• Or, approved emission control from Administrator
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7/9/2014 Proposed Amendments
NSPS Subpart DD - Amendments
• Clarify and revise definitions
• Grain unloading station
• Grain loading station
• Barge/ship unloading
• Clarify that where the aspiration of the casing provides dust control at the boot of the conveyor and receiving hopper is not used – needs to be enclosed
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Applicability of Temporary Storage
Temporary VS Permanent Storage
• 11/21/2007: EPA letter to Grain & Feed
• Temporary storage with permanent foundations and sidewalls = permanent
• 7/1/2014: EPA letter to Grain & Feed
• Rescinded 11/21/2007 letter
• Temporary not included in 1978 rule evaluation
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40 CFR Part 60 New Source Performance Standard (NSPS) Subpart DD for Grain Elevators
NSPS Subpart DDa – “New” Grain Elevators
• Proposed 7/9/2014
• Grain Storage Elevators & Grain Terminal Elevators (same as Subpart DD)
• Commence construction, modification, or reconstruction after 7/9/2014
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New Definitions
NSPS Subpart DDa Proposal
• Permanent storage capacity
• Two calculations for known and unknown
throughput
• Takes into account temporary storage
• Temporary storage facility
• Asphalt, concrete, or other improved base
• Rigid, self-supporting sidewalls
• Aeration
• Covering or tarp
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New Definitions
NSPS Subpart DDa Proposal
• Grain loading station
• Grain unloading
station
• Wire screen column
dryer
• En-masse drag
conveyor
• Portable equipment
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PM Standards
NSPS Subpart DDa Proposal
• Maintain Subpart DD for rack & column
dryers
• Add provision for wire screen column
dryers
• Clarify barge/ship unloading station
requirements
• Limit opacity to 10% for some barge/ship
unloading
• Clarify applicability for equivalency
determination
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PM Standards
NSPS Subpart DDa Proposal
• Add requirement that unloading and grain
handling at temporary storage facilities
that do not use portable equipment meet:
• 0.01 gr/dscf
• < 5% opacity for truck unloading
• 0% opacity for grain handling
• Standards apply at all times including
periods of startup, shutdown, &
malfunction
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Test Methods and Procedures
NSPS Subpart DDa Proposal
• Annual opacity testing for each limit & facility
• PM testing every 60 months for each limit & facility
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Reporting & Monitoring
NSPS Subpart DDa Proposal
• Test results submitted within
60 days using Compliance and Emissions Data Reporting Interface (CEDRI)
• Fabric Filter/Baghouse inspections every 6 months
• Weekly visible emissions checks
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Recordkeeping
NSPS Subpart DDa Proposal
• Total storage capacity for each facility (excluding temporary)
• Storage capacity of temporary facilities
• Excess emission event calculations
• Inspections/emission checks and corrective actions
• Testing results
• Type of grain processed during test
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Wait for the final rule…
Next Steps
• EPA extended public comment period 45 days to 12/22/2014
• Check EPA’s website for updates: https://www.epa.gov/stationary-sources-air-pollution/grain-elevators-new-source-performance-standards-nsps#additional-resources
• Prepare to comply with new requirements
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QUESTIONS? Melissa Ellis
402.613.3776
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