Status of Fairfax County Air Quality Monitors Sunil Kumar AQPAC Meeting COG March 16, 2009.

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Presentation transcript:

Status of Fairfax County Air Quality Monitors Sunil Kumar AQPAC Meeting COG March 16, 2009

Fairfax Monitors Total :– 5 Ozone, 3 FRM, 1 TEOM monitors Monitor Location Monitor TypeOwned/Operated by Cub Run (Chantilly) - OzoneFxCo/FxCo Lewinsville (McLean) – OzoneFxCo/FxCo Mount Vernon - OzoneFxCo/FxCo Annandale – Ozone, TEOMFxCo/FxCo Annandale – FRMVDEQ/FxCo Lewinsville (McLean) – FRMVDEQ/FxCo Lee Park (Franconia) – FRMVDEQ/FxCO Lee Park (Franconia) – OzoneVDEQ/VDEQ

Fairfax County Proposal Discontinue county operated monitors - Budgetary constraints Monitor Location Monitor TypeOwned/Operated by Cub Run (Chantilly) - OzoneFxCo/FxCo Lewinsville (McLean) – OzoneFxCo/FxCo Mount Vernon - OzoneFxCo/FxCo Annandale – Ozone, TEOMFxCo/FxCo Annandale – FRMVDEQ/FxCo Lewinsville (McLean) – FRMVDEQ/FxCo Lee Park (Franconia) – FRMVDEQ/FxCO Lee Park (Franconia) – OzoneVDEQ/VDEQ

Fairfax Monitor Locations Ozone Ozone, FRM Ozone, TEOM, FRM Ozone, FRM

Fairfax monitors – Importance of data Monitor ozone and fine particle concentrations in highly populated areas Data used by the general public, federal, state and local air agencies for : Air quality evaluation Calculating design values Forecasting and issuing health advisories

Fairfax monitors – Importance of forecasting & health alerts Daily data used for issuing next 3 day forecasting and color-coded health alerts. AQ data page million hits (ozone season). People check data to determine if they need to alter their daily activities due to poor air quality.

Fairfax monitors – Historical 8-Hour Ozone Design Values Courtesy - Thomas Ballou, VDEQ (MWAQC, February 25, 2009) 2008 data draft

Fairfax monitors – Historical Annual PM2.5 Design Values 2008 data draft

Fairfax monitors – Historical 24-Hour PM2.5 Design Values 2008 data draft

Fairfax monitors – Regulatory Aspects of Discontinuation Network assessments every five years Network plan submitted to EPA after public comment for their approval EPA Reg. - monitor measuring NAAQS violations in previous five years may not be discontinued (CFR 40 Part 58, Subpart B §58.14)

Fairfax county schedules Public comment on budget proposal : March30-April 1 Final budget decision : April 27 Proposed monitoring shutdown : July 1