nw metals inc. - oregon · 2020. 12. 19. · nw metals inc. air quality permit and cleaner air...
TRANSCRIPT
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NW Metals Inc.Air Quality Permit
and Cleaner Air OregonDecember 12 and 15, 2020
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Using Zoom Webinar
Hear the audio either through your computer or bycalling in by phone with the phone number providedupon registration.
Note that you will not be able to speak unless thehost enables your audio and then you unmute.
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Asking a Question You should see the following along the bottom of your
screen.
To ask a question: type it into the Q&A or raise your handand the host will un-mute you. (*9 if you’re on the phone)
Use chat if you’re having technical difficulties.
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Making a Comment During the public hearing portion of the meeting, raise your hand
to comment
We’ll call folks in the order their hand was raised
Remember *9 if you’re listening by phone
State and spell your first and last name
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NW Metals Inc.
Introduction
Nina DeConcini, DEQ Northwest Region Administrator,David Graiver, DEQ Permit Writer
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Staff Steve Dietrich, DEQ Air Quality Manager
Nina DeConcini, DEQ Northwest Region Administrator
David Graiver, DEQ Permit Writer
JR Giska, DEQ Cleaner Air Oregon Program Engineer
Lauren Wirtis, DEQ Northwest Region Communications
David Farrer, Oregon Health Authority Toxicologist
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Guidelines for the Meeting
Be respectful of each other and to DEQrepresentatives.
We will make every attempt to respond to allquestions, but will allow people who have not hada turn to pose one question before others askadditional questions.
Speak for yourself.
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Agenda
NW Metals Activities– What do they do?
Regulated Pollutants– What are the emissions?
Cleaner Air Oregon– What is the health risk?
Permit Requirements– How will DEQ regulate NW Metals?
Q & A
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NW Metals Permitting Process Cleaner Air Oregon Process
Air Permit Application
Public Notice
Public Hearing
Public Comments Due by 01/08/2021 at 5 PM
Public Comments Review and Response
DEQ Permit Decision
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NW Metals Inc.
Activities: What do they do?
David Graiver, DEQ Permit Writer
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NW Metals Inc. - 9537 N Columbia Blvd
Columbia Steel
NW Metals
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NW Metals Inc. - 9537 N Columbia Blvd
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What does NW Metals do? Auto salvage processing and recycling facility
Final Products:– Iron
– Steel
– Zorba
– Fluff
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Simplified Process Flow
Material HandlingSteel, Iron, Zorba, Fluff
Shredder:Operations & Engine
RemovalOils, Batteries, Tires, Wheels, Freon/CFC, Asbestos
Scrap/Auto Purchase
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NW Metals Inc.
Regulated Pollutants: What are the emissions?
David Graiver, DEQ Permit Writer
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How Air Emissions are RegulatedEnvironmental Protection Agency Oregon Department of Environmental Quality
Hazardous Air
Pollutants
Limit Emissions of 187 HAPS, such as Benzene and
Formaldehyde
Plant Site Emission Limits
[tons/yr]
Cleaner Air Oregon Health-risk based
Criteria Pollutants
Limit emissions of Particulate Matter (PM) and
other Air PollutantsAir Contaminant
Discharge Permits
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Where do the emissions come from?
Process PM NOx SOx CO VOC HAPs/TACs* GHGs
Fluid Draining X X X
Shredder Engine X X X X X X X
Shredding X X X
Material Handling X X
* - Toxic Air Contaminants (TACs) are regulated by the Cleaner Air Oregon Program
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What are the emissions and limits?Pollutant Potential to Emit
(tons/year)Proposed Limits
(tons/year)
Total Particulate Matter 0.94 24
Coarse Particulate Matter 0.52 -
Fine Particulate Matter 0.20 -
Nitrogen Oxides 0.53 -
Sulfur Oxides 0.01 -
Carbon Monoxide 4.67 99
Volatile Organic Compounds 4.43 39
Individual HAP (Toluene) 0.10 -
Combined HAPs 0.43 -
Greenhouse Gases 846 -
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NW Metals Inc.
Cleaner Air Oregon: What is the health risk?
JR Giska, DEQ Cleaner Air Oregon Program Engineer
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Cleaner Air Oregon
Report air toxicsCompanies to report use of 600 pollutants to state regulators
Regulate to reduce riskCompanies would have to act if the levels of air toxics they emit exceed health risk action levels (RALs)
Assess riskFacilities calculate potential health risks to people who live, work, and go to school nearby
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CAO Program Scope
Cumulative, facility-wide risk assessment
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CAO Program Scope
Health risks evaluated:Cancer (annual)Noncancer - acute (24 hour) and chronic (annual)Multipathway exposure for persistent and bioaccumulativechemicals
Chronic ExposureLong period of time
Acute ExposureShort period of time
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CAO Program Scope
Exposure locations considered – based on zoning:ResidentialNon-residential adult and/or childAcute
Residential ChildWorker Acute
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CAO Program Scope4 “tiers” of Risk Assessments (simple to complex)
Simple Complex
Risk Assessment Level
Overestimates risk More accurately estimates risk
1 2 3 4Facility Emissions
Child
Acute
Concentrations at Exposure Location
Worker
Residential
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How do we assess risk?
1.
2.
3.
4.
Risk Assessment Technical Submittals
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Risk Actions Levels
Cancer Risk is the excess cancer risk over the national background cancer rate of 395,000 per million. (National Cancer Institute)
Noncancer Risk is measured as a Hazard Index - adverse health impacts may occur at values >1.
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Cleaner Air Oregon Process
Emissions Inventory
Ensuring compliance
Community Engagement
Modeling Protocol &Risk Assessment Work Plan
(Level 3 & 4 only)
Completed Risk Assessment
Community Engagement or TLAER/Controls
analysis(If applicable)
CAO Permit Application
AQ Public Notice / Hearing
AQ Permit Issued
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NW Metals Inc. - 9537 N Columbia Blvd
Columbia Steel
NW Metals
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NW Metals Inc. - 9537 N Columbia Blvd
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Simple Complex
Risk Assessment Level
Overestimates risk
More accurately estimates risk
1 2 3 4
> 5,000 ft
NW Metals – Level 1 Risk Assessment
> 2,000 ft
Facility Emissions
Worker
Acute
ChildResidential
20 ft 30 ft
Concentrations at Exposure Location
Risk Action Levels
120 ft
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Exposure Locations – Residence & School
Residence736m
Student2,200m
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Exposure Locations – Worker & Acute
Acute & Worker50m
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NW Metals Risk Assessment - Considerations
Toxics Emissions Units: Shredder Diesel Engine Conveyance Drop
Risk Drivers: Proximity to businesses Polychlorinated Biphenyls (PCBs),
Polycyclic Aromatic Hydrocarbons (PAHs), Hexavalent Chromium [Cr(VI)], Lead
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NW Metals Risk Assessment - Results
Risk Results: Cancer: PCBs, Cr(VI), and
PAHs– Shredding and diesel
emissions
Acute noncancer: Lead– Shredding and material
handling emissions
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NW Metals CAO Permit Conditions
Limit hours of operation
Maintain risk below level requiring controls
Compliance demonstration of shredder capacity
Hours of OperationDaily Annually
8.5 2,350
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NW Metals Inc.
Permit Requirements: How will DEQ regulate NW Metals?
David Graiver, DEQ Permit Writer
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Specific Permit Conditions List of Regulated Emissions Units Requirement to Remove:
– Fluids– Batteries– Mercury Switches– Lead– CFCs– Asbestos
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Specific Permit Conditions CAO Operational Restrictions
– 8.5 hours per day– 2,350 hours per year
Capacity Determination Test– Determine maximum hourly capacity of shredder
Semi-Annual Compliance Certifications
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Other Conditions
General Emissions Standards
Operation and Maintenance Requirements
Plant Site Emission Limits (PSEL)
Compliance Demonstration Formulas
Monitoring and Recording Requirements
Reporting and Notification Requirements
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What happens next?
Public Notice: ordeq.org/publicnotices– Comments Due: Jan. 8, 2021
Submit a comment by:– Mail: NWR Air Quality Permit Coordinator
700 NE Multnomah Street Ste 600Portland, OR 97232
– Email: [email protected]
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After the Public Comment Period DEQ evaluates all written and oral comments
After permitting decision, DEQ will publish a Hearings Officer Report and respond to comments received
Potential DEQ Permit Action options:
Issue permit as proposed,
Modify permit based on public input and issue the revised permit, or
Revise permit and request more comments
Information will be made available at http://ordeq.org/nwmetals
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Questions?David Graiver, [email protected] | 503-229-5690JR Giska, [email protected] | 503-229-5178
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Public Hearing Raise your hand to comment
We’ll call folks in the order their hand was raised
Remember *9 if you’re listening by phone
State and spell your first and last name
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Thank You!