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PAMS ( P hotochemical A ssessment M onitoring S tations) Monitoring Network. 2019 Annual AQ Monitoring Meeting. Richard T. Greves ES III, Atmospheric Science & Analysis Section Air Quality Assessment Division in the Bureau of Air Quality Richard.Greves@maine.gov. Tom Downs, CCM
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PAMS (Photochemical Assessment Monitoring Stations)Monitoring Network 2019 Annual AQ Monitoring Meeting Richard T. Greves ES III, Atmospheric Science & Analysis Section Air Quality Assessment Division in the Bureau of Air Quality Richard.Greves@maine.gov Tom Downs, CCM Chief Meteorologist, Atmospheric Science & Analysis Section Air Quality Assessment Division in the Bureau of Air Quality Tom.Downs@maine.gov MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION Protecting Maine’s Air, Land and Water 1
1 hour 3 hour 24 hour Three different time-frames All Data is averaged to 24 hours MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep 2
One hour monitoring sites Site YEARS MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep 3
1997-2017 (aromatics not available 2003, 2005 and 2007 1997-2003, 2005-2014 and 2017 1997-2017 (some optional VOC's not available 14-17 1997-2018 1993-2018 2015-2018 1997-2018 1997-2017 2006-09, 2011-18 all alkenes available only for 2011, 2014 and 2017-18) Met Available 2013-18 4
Three hour monitoring sites MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep 6
24 hour monitoring sites MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep 8
August, 8, 2018 Maximum 8-hr Ozone = 70 ppb @ Cape Elizabeth 10x benzene/toluene < 4 – Fresh | > 4 – Aged Air Mass Morning (5-9 am) TNMOC/NOy >15 - NOx limited | >5 - VOC limited Hour (EST) 11
July 10, 2018 Maximum 8-hr Ozone = 81 ppb @ Pfizer (Bronx), NY (LISTOS region) Hour (EST) 12
OTC PAMS VOC TRENDS (June-August) Londonderry, NH Cape Elizabeth, ME Pfizer, NY Peterboro, NH Rutgers, NJ Essex, MD McMillian, DC 14
Richard T. Greves ES III, Atmospheric Science & Analysis Section Air Quality Assessment Division in the Bureau of Air Quality Richard.Greves@maine.gov Tom Downs, CCM Chief Meteorologist, Atmospheric Science & Analysis Section Air Quality Assessment Division in the Bureau of Air Quality Tom.Downs@maine.gov 15