Výsledky vyhledávání - "Alan R, Leston"

Field evaluations of newly available 'interference-free' monitors for nitrogen dioxide and ozone at near-road and conventional National Ambient Air Quality Standards compliance sites

Autor: Alan R. Leston, Will Ollison

Publikováno v: Journal of the AirWaste Management Association (1995). 67(11)

Long-standing measurement techniques for determining ground-level ozone (O3) and nitrogen dioxide (NO2) are known to be biased by interfering compounds that result in overestimates of high O3 and NO2 ambient concentrations under conducive conditions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::919549a24976e30ff9ae14e5f75e61eb
https://pubmed.ncbi.nlm.nih.gov/28633004

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Laboratory and Field Evaluation of Crystallized DOW 704 Oil on the Performance of the Well Impactor Ninety-Six Fine Particulate Matter Fractionator

Autor: Robert W, Vanderpool, Lee A, Byrd, Russell W, Wiener, Elizabeth T, Hunike, Michael, Labickas, Alan R, Leston, Michael P, Tolocka, Frank F, McElroy, Robert W, Murdoch, Sanjay, Natarajan, Christopher A, Noble, Thomas M, Peters

Publikováno v: Journal of the Air & Waste Management Association. 57:14-30

Subsequent to the 1997 promulgation of the Federal Reference Method (FRM) for monitoring fine particulate matter (PM2.5) in ambient air, U.S. Environmental Protection Agency (EPA) received reports that the DOW 704 diffusion oil used in the method's W

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46d10cfc6532c2665762eb58d86ecfb9
https://doi.org/10.1080/10473289.2007.10465299

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Potential Interference Bias in Ozone Standard Compliance Monitoring

Autor: Jan Satola, Chester W. Spicer, Will Ollison, Alan R. Leston

Publikováno v: Journal of the Air & Waste Management Association. 55:1464-1472

The U.S. Environmental Protection Agency has established a federal reference method (FRM) for ozone (O3) and allowed for designation of federal equivalent methods (FEMs). However, the ethylene-chemiluminescence FRM for O3 has been replaced by the UV

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3719b4d671f8f5e75d56074296400f2e
https://doi.org/10.1080/10473289.2005.10464749

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Use of an Opsis open-path monitor for ambient aldehyde monitoring

Autor: Alan R. Leston, R. Michael Hartman

Publikováno v: SPIE Proceedings.

An OPSIS differential optical absorption spectrometer (UV-DOAS) open path demonstration system was operated over a 7 week period at an urban air monitoring site in East Hartford, CT. The study purpose was primarily to compare acetaldehyde and formald

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c71ad1a7480928476188b0ed12a8bb2
https://doi.org/10.1117/12.210794

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