National monitoring steering committee report
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National Monitoring Steering Committee Report. Gordon Pierce WESTAR Fall Business Meeting Salt Lake City, UT October 29, 2012. When was the last meeting?. National Monitoring Steering Committee meeting held at EPA in RTP, NC on July 19-20, 2012 After the National Air Quality Conference.

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National monitoring steering committee report

National Monitoring Steering Committee Report

Gordon Pierce

WESTAR Fall Business Meeting

Salt Lake City, UT

October 29, 2012


When was the last meeting

When was the last meeting?

  • National Monitoring Steering Committee meeting held at EPA in RTP, NC on July 19-20, 2012

  • After the National Air Quality Conference


No 2 update

NO2 Update

  • Proposal on monitoring rule revisions going to OMB late July 2012

    • Proposal now published for 30-day comment period

    • Revise deadlines to a phased implementation, commencing 1/1/2014 thru 1/1/2017

  • Near road

    • ORD study in Las Vegas and Detroit

    • Highest NO2 and BC nearest to road, decreasing with distance

    • No significant gradient with PM


So 2 update

SO2 Update

  • Stakeholder meetings held on implementation

    • Discussions on monitoring vs. modeling

    • Favorable opinions on a threshold

      • 2000 tpy ≅ 480 sources nationwide

    • Monitoring

      • How many sites needed? Who pays? How long?

    • Modeling

      • Cheaper, but does not always reflect reality

    • Need rulemaking

    • Internal EPA discussions occurring


Secondary nox sox update

Secondary NOx/SOx Update

  • 3 areas proposed for pilot studies

    • NE / Adirondacks

    • SE / Appalachians

    • Rockies / possibly Colorado

  • Pilot studies to use existing infrastructure and take place between 2013 and 2018

  • Pilot studies to include NOy and trace SO2

  • Eutrofication and acidification a concern in Rockies and west

  • Higher acidification in the eastern US


Pm update

PM Update

  • New PM proposal

    • Retain 24-hr PM10 at 150 ug/m3

    • Retain 24-hr PM2.5 at 35 ug/m3

    • Reduce annual PM2.5 to 12 or 13 ug/m3

    • Add secondary visibility-based

    • Revise monitoring requirements

  • Discussions focused on secondary NAAQS

    • Applicability

    • Equipment

    • Area covered

  • Lot of comments submitted to EPA


National air toxics trends stations

National Air Toxics Trends Stations

  • First multi-year assessment performed

    • 2005-2007 vs. 2008-2010

    • Next one in 2013

  • 2nd draft of report just released

  • Overall, a decreasing trend for a number of air toxics

  • Data very useful for NATA modeling validation, trends and health risk benchmarks

  • Need to:

    • Look at redundant sites and eliminate

    • Look at CR+6 possibly for sources/special studies

    • Look at DQO’s

    • Ensure that required MDL’s are being met


Pams re engineering

Current

PAMS Re-Engineering

  • Reduce number of sites

  • Add PAMS in ozone non-attainment areas

  • 26 “Required” sites

    • O3, NOx, VOC’s

    • Upper air met?

  • Some “flexible” sites

    • O3, NOx

  • Good data tools

  • Auto-GC shootout

Proposed


Analyzer developments

Analyzer developments

  • PM

    • Fixes for Thermo 1405

    • BAM susceptible to dewpoint changes

  • NOx/NOy

    • Photolytic, CRDS, CAPS

  • Lead

    • New sampler being tested to replace hi-vol + ICP-MS

  • BC/EC

    • 7 different analyzer types being tested

  • Satellite

    • ORD ACE Task 145 to investigate


Use of non state monitoring

Use of Non-State Monitoring

  • Concerns on how to deal with non-state monitoring

    • Reference

      • NPS, USFS, BLM, EPA, Tribal, Other

    • Non-reference

      • USFS, NOAA, DRI, GO3 Project, Private, Municipal, Other

  • Issues:

    • How to handle exceptional event data and flagging?

    • How to handle violations with non-state reference analyzers?

    • How to handle violations with non-reference analyzers?

    • Inclusion in monitoring plans?


Community citizen monitoring

Community/Citizen Monitoring

  • Lot of new technologies upcoming

    • Smaller

    • Easier to use

    • Some good, some questionable

  • Data readily available via internet

  • Question: How much citizen involvement is desired for monitoring?

  • Need to focus efforts on what are really the issues, not just the perceptions

  • Need better coordination on sensor apps

  • Need better communication with communities

  • EPA holding stakeholder meetings


Funding

Funding

  • Near-road NO2

    • Phase 1 awarded by end of July 2012

    • Working on securing $5 million for Phase 2 in 2013

  • PM2.5 transition from 103 to 105

    • Start in FY 2013 (…assuming not under a CR)

    • 10% per year over 4 years

  • PAMS transition

    • Link to 2014 O3 NAAQS

    • FY 2015 or 2016 earliest for network change

    • $2.2 million available

  • IMPROVE

    • Static or decreasing budget

    • Some site to be cut or sample frequency decrease


National monitoring steering committee report

  • Next MSC meeting January 9-10, 2013 in San Diego

Questions?


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