Flms psd increment and aqrvs the oregon experience
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FLMs, PSD Increment, and AQRVs: the Oregon experience. WESTAR Fall Technical Conference Seattle 15-17 September 2003 Philip Allen, Oregon DEQ. Overview. Class I Area Increment & AQRVs Oregon’s permit process EPA & FLMs Class I areas Standards and criteria levels Example results.

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FLMs, PSD Increment, and AQRVs: the Oregon experience

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Flms psd increment and aqrvs the oregon experience

FLMs, PSD Increment, and AQRVs:the Oregon experience

WESTAR Fall Technical Conference

Seattle

15-17 September 2003

Philip Allen, Oregon DEQ


Overview

Overview

  • Class I Area Increment & AQRVs

    • Oregon’s permit process

    • EPA & FLMs

    • Class I areas

    • Standards and criteria levels

    • Example results


Federal class i areas oregon and washington nps forest service region 6

Federal Class I Areas: Oregon and Washington(NPS, Forest Service Region 6)


U s d a forest service regions

U.S.D.A. Forest Service Regions

Region 6


Single source nsr aq analysis

Single Source NSR AQ Analysis

  • Scope

    • Class II NAAQS and PSD Increment

    • Class I NAAQS, PSD Increment, AQRVs

  • Comments/input on the AQ analysis

    • Recommendations from FLM and other agencies (states, EPA as available)

    • Final recommendation based on DEQ review of impacts vs. standards, and FLM and other comments.


Flms psd increment and aqrvs the oregon experience

DEQ: Single source AQ Analysis Timeline

Protocol Review

Target is < 21 days

Protocol

Development

Final

Protocol

AQ Analysis

by consultant

FLM

Input

DEQ

Review

Application

submittal

Completeness

Determination

FLM

Input

DEQ

Review

Review

Completed

Completeness

Determination < 10 days

DEQ Review < 45 days

since Completeness


Protocol development

Protocol Development

  • Initial informal discussions with consultant

    • Location of proposed source

    • Type and availability of met data

    • Availability of background data

    • Provide consultant initial guidance

  • Protocol meeting

    • Scheduled in coordination with DEQ Regional Office

    • Attended by HQ AQ analyst, RO permit engineer, FLM, client, modeling consultant, and other client consultants.


Protocol development cont

Protocol Development (cont.)

  • Protocol meeting scope

    • Type and size of new or modified source

    • Applicable AQ standards

      • Class II and Class I NAAQS and PSD Increment

      • Class I AQRV analysis required or requested ?

    • Models for near-source impact analysis and long range transport

      • Aermod-Prime/ISCPrime

      • Calpuff Lite/Calpuff

      • Other


Protocol development cont1

Protocol Development (cont.)

  • Protocol meeting scope (cont.)

    • Met data

      • Screening met

      • NWS

      • On-site

    • Background data

    • Competing sources


Class i area visibility monthly f rh

Class I Area Visibility Monthly f(RH)


Class i area monthly reference background

Class I Area Monthly Reference Background


Protocol guidance aqrv calculations

Protocol guidance: AQRV calculations


Aqrv criteria levels

AQRV Criteria Levels


Pm10 speciation

PM10 speciation


Modeling guidance postutil visibility parameters

Modeling guidance: Postutil visibility parameters


Flms psd increment and aqrvs the oregon experience

Modeling guidance: Calpost visibility parameters


Flms psd increment and aqrvs the oregon experience

Modeling guidance: Postutil deposition parameters


Class i area impacts

Class I Area Impacts

  • EPA regulated

    • NAAQS

    • PSD Increment

  • Federal Land Manager (FLM) regulated

    • Air Quality Related Values (AQRVs)

      • S deposition

      • N deposition

      • Visibility

        • Ammonium Sulfate [(NH4)2SO4]

        • Ammonium Nitrate [NH4NO3]

        • Particulate Matter (PM)

    • Ozone [O3]


Flms psd increment and aqrvs the oregon experience

Example: Class I PSD Increment


Flms psd increment and aqrvs the oregon experience

Example: Class I AQRVs - Deposition


Flms psd increment and aqrvs the oregon experience

Example: Class I AQRVs – Visibility


Flms psd increment and aqrvs the oregon experience

How it has worked for DEQ and FLMs

  • California-Oregon Border (COB) project

    • Pacific Power

    • Bonanza (~ 30 km ESE of Klamath Falls)

    • Gerhart Wilderness Class I Area deposition ~> DAT

  • Klamath Generation Facility (KGF)

    • Visibility ~> 5%

    • Offsets

  • Pope and Talbot (Halsey)

    • Visibility ~> 5%

    • Deposition <= DAT


Flms psd increment and aqrvs the oregon experience

How it has worked for DEQ and FLMs

  • DEQ views Class I PSD and AQRV analysis as a collaborative effort with EPA and the FLMs

  • DEQ provides the door to FLM review: from protocol to application submittal prepare the source and their consultant for the FLM review of AQRV impacts

  • Coordination with FLMs throughout process

    • Prevents surprises at end (get problems addressed early)

    • Consultant and source know what is expected

    • Accelerates review of the application

    • Fosters culture where FLM is considered the expert on AQRVs, and manager of their respective Class I areas.


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