{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T04:01:05Z","timestamp":1789963265620,"version":"4.0.1"},"reference-count":52,"publisher":"American Chemical Society (ACS)","issue":"23","license":[{"start":{"date-parts":[[2016,7,7]],"date-time":"2016-07-07T00:00:00Z","timestamp":1467849600000},"content-version":"vor","delay-in-days":366,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_termsofuse.html"}],"funder":[{"DOI":"10.13039\/100000066","name":"National Institute of Environmental Health Sciences","doi-asserted-by":"publisher","award":["P42ES016465"],"award-info":[{"award-number":["P42ES016465"]}],"id":[{"id":"10.13039\/100000066","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000159","name":"Division of Atmospheric and Geospace Sciences","doi-asserted-by":"publisher","award":["AGS-11411214"],"award-info":[{"award-number":["AGS-11411214"]}],"id":[{"id":"10.13039\/100000159","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The relative influences of trans-Pacific and regional atmospheric transport on measured concentrations of polycyclic aromatic hydrocarbons (PAHs), PAH derivatives (nitro- (NPAH) and oxy-(OPAH)), organic carbon (OC), and particulate matter (PM) less than 2.5 \u03bcm in diameter (PM2.5) were investigated in the Pacific Northwest, U.S. in 2010\u20132011. Ambient high volume PM2.5 air samples were collected at two sites in the Pacific Northwest: (1.) Mount Bachelor Observatory (MBO) in the Oregon Cascade Range (2763 m above sea level (asl)) and 2.) Confederated Tribes of the Umatilla Indian Reservation (CTUIR) in the Columbia River Gorge (CRG) (954 m asl). At MBO, the 1,8-dinitropyrene concentration was significantly positively correlated with the time a sampled air mass spent over Asia, suggesting that this NPAH may be a good marker for trans-Pacific atmospheric transport. At CTUIR, NOx, CO2, and SO2 emissions from a 585 MW coal fired power plant, in Boardman OR, were found to be significantly positively correlated with PAH, OPAH, NPAH, OC, and PM2.5 concentrations. By comparing the Boardman Plant operational time frames when the plant was operating to when it was shut down, the plant was found to contribute a large percentage of the measured PAH (67%), NPAH (91%), OPAH (54%), PM2.5 (39%), and OC (38%) concentrations at CTUIR and the CRG prior to Spring 2011 and likely masked trans-Pacific atmospheric transport events to the CRG. Upgrades installed to the Boardman Plant in the spring of 2011 dramatically reduced the plant\u2019s contribution to PAH and OPAH concentrations (by \u223c72% and \u223c40%, respectively) at CTUIR and the CRG, but not NPAH, PM2.5 or OC concentrations.<\/jats:p>","DOI":"10.1021\/acs.est.5b00800","type":"journal-article","created":{"date-parts":[[2015,7,7]],"date-time":"2015-07-07T08:52:38Z","timestamp":1436259158000},"page":"13807-13816","source":"Crossref","is-referenced-by-count":47,"title":["Relative\nInfluence of Trans-Pacific and Regional Atmospheric\nTransport of PAHs in the Pacific Northwest, U.S."],"prefix":"10.1021","volume":"49","author":[{"given":"Scott","family":"Lafontaine","sequence":"first","affiliation":[{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jill","family":"Schrlau","sequence":"additional","affiliation":[{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack","family":"Butler","sequence":"additional","affiliation":[{"name":"Confederated Tribes of the Umatilla Indian Reservation , , ,","place":["Pendleton, Oregon, United States, 97801"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuling","family":"Jia","sequence":"additional","affiliation":[{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbara","family":"Harper","sequence":"additional","affiliation":[{"name":"Confederated Tribes of the Umatilla Indian Reservation , , ,","place":["Pendleton, Oregon, United States, 97801"]},{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stuart","family":"Harris","sequence":"additional","affiliation":[{"name":"Confederated Tribes of the Umatilla Indian Reservation , , ,","place":["Pendleton, Oregon, United States, 97801"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa M.","family":"Bramer","sequence":"additional","affiliation":[{"name":"Pacific Northwest National Laboratory , , , ,","place":["Richland, Washington, United States, 99352"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katrina M.","family":"Waters","sequence":"additional","affiliation":[{"name":"Pacific Northwest National Laboratory , , , ,","place":["Richland, Washington, United States, 99352"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Harding","sequence":"additional","affiliation":[{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Staci L. Massey","family":"Simonich","sequence":"additional","affiliation":[{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]},{"name":"Oregon State University , , , ,","place":["Corvallis, Oregon, United States, 97331"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2015,7,7]]},"reference":[{"issue":"5315","key":"2026090303264329800_cit1","doi-asserted-by":"crossref","first-page":"1045","DOI":"10.1126\/science.276.5315.1045","article-title":"Tropospheric air\npollution: Ozone, airborne toxics,\npolycyclic aromatic hydrocarbons, and particles","volume":"276","author":"Finlayson-Pitts","year":"1997","journal-title":"Science"},{"issue":"16","key":"2026090303264329800_cit2","doi-asserted-by":"crossref","first-page":"6887","DOI":"10.1021\/es201443z","article-title":"Concentration\nand photochemistry of PAHs, NPAHs, and\nOPAHs and toxicity of PM2.5 during the Beijing Olympic\nGames","volume":"45","author":"Wang","year":"2011","journal-title":"Environ. Sci. Technol."},{"issue":"6","key":"2026090303264329800_cit3","doi-asserted-by":"crossref","first-page":"1861","DOI":"10.1021\/es0493650","article-title":"Emission factors for\ncarbonaceous particles and polycyclic aromatic\nhydrocarbons from residential coal combustion in China","volume":"39","author":"Chen","year":"2005","journal-title":"Environ. Sci. Technol."},{"issue":"3","key":"2026090303264329800_cit4","doi-asserted-by":"crossref","first-page":"702","DOI":"10.1021\/es0517062","article-title":"Emission of polycyclic aromatic hydrocarbons\nin China","volume":"40","author":"Xu","year":"2006","journal-title":"Environ. Sci. Technol."},{"issue":"18","key":"2026090303264329800_cit5","doi-asserted-by":"crossref","first-page":"3091","DOI":"10.1021\/es981227l","article-title":"Characterization\nof polycyclic aromatic hydrocarbons\nin motor vehicle fuels and exhaust emissions","volume":"33","author":"Marr","year":"1999","journal-title":"Environ. Sci. Technol."},{"issue":"4","key":"2026090303264329800_cit6","doi-asserted-by":"crossref","first-page":"1061","DOI":"10.1021\/es802163c","article-title":"Trans-Pacific and regional atmospheric\ntransport of\npolycyclic aromatic hydrocarbons and pesticides in biomass burning\nemissions to western North America","volume":"43","author":"Genualdi","year":"2009","journal-title":"Environ.\nSci. Technol."},{"issue":"6","key":"2026090303264329800_cit7","doi-asserted-by":"crossref","first-page":"984","DOI":"10.1039\/b308587b","article-title":"Role of volcanic dust in the atmospheric\ntransport and deposition of polycyclic aromatic hydrocarbons and mercury","volume":"5","author":"Stracquadanio","year":"2003","journal-title":"J. Environ. 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Technol."},{"issue":"10","key":"2026090303264329800_cit10","doi-asserted-by":"crossref","first-page":"3551","DOI":"10.1021\/es062256w","article-title":"Atmospheric outflow of anthropogenic\nsemivolatile organic compounds\nfrom East Asia in spring 2004","volume":"41","author":"Primbs","year":"2007","journal-title":"Environ. Sci.\nTechnol."},{"issue":"D6","key":"2026090303264329800_cit11","doi-asserted-by":"crossref","first-page":"D06312","DOI":"10.1029\/2011JD016626","article-title":"Rapid transpacific\ntransport in autumn observed by the A-train satellites","volume":"117","author":"Hsu","year":"2012","journal-title":"J. Geophys. 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Manage."},{"issue":"17","key":"2026090303264329800_cit15","doi-asserted-by":"crossref","first-page":"6385","DOI":"10.1021\/es702160d","article-title":"Influence of Asian\nand Western United States urban areas and fires on the atmospheric\ntransport of polycyclic aromatic hydrocarbons, polychlorinated biphenyls,\nand fluorotelomer alcohols in the western United States","volume":"42","author":"Primbs","year":"2008","journal-title":"Environ. Sci. Technol."},{"issue":"D23","key":"2026090303264329800_cit16","doi-asserted-by":"crossref","first-page":"D23S15","DOI":"10.1029\/2003JD004386","article-title":"Transpacific\nand regional atmospheric transport of anthropogenic semivolatile organic\ncompounds to Cheeka Peak Observatory during the spring of 2002","volume":"109","author":"Killin","year":"2004","journal-title":"J. Geophys. Res.: Atmos."},{"issue":"22","key":"2026090303264329800_cit17","doi-asserted-by":"crossref","first-page":"12459","DOI":"10.1021\/es302743z","article-title":"Synergy between secondary organic aerosols and long-range\ntransport of polycyclic aromatic hydrocarbons","volume":"46","author":"Zelenyuk","year":"2012","journal-title":"Environ. Sci. Technol."},{"issue":"1","key":"2026090303264329800_cit18","doi-asserted-by":"crossref","first-page":"412","DOI":"10.1021\/es4043808","article-title":"Novel nitro-PAH\nformation from heterogeneous reactions\nof PAHs with NO2, NO3\/N2O5, and OH radicals: Prediction, laboratory studies, and mutagenicity","volume":"48","author":"Jariyasopit","year":"2014","journal-title":"Environ. Sci. Technol."},{"issue":"17","key":"2026090303264329800_cit19","doi-asserted-by":"crossref","first-page":"10155","DOI":"10.1021\/es5015407","article-title":"Heterogeneous\nreactions of particulate matter-bound PAHs and NPAHs with NO3\/N2O5, OH radicals, and O3 under\nsimulated long-range atmospheric transport conditions: Reactivity\nand mutagenicity","volume":"48","author":"Jariyasopit","year":"2014","journal-title":"Environ. Sci. Technol."},{"issue":"1","key":"2026090303264329800_cit20","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.atmosenv.2007.10.009","article-title":"Nitrated and oxygenated\nderivatives of polycyclic aromatic\nhydrocarbons in the ambient air of two French alpine valleys: Part\n1: Concentrations, sources and gas\/particle partitioning","volume":"42","author":"Albinet","year":"2008","journal-title":"Atmos. 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