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Identification was obtained for 65 organic compounds, 7 additional compounds were identified tentatively. Four target parts per trillion (ppt)\u2010level species were detected in the selected ion monitoring mode (SIM). The experimental data show typical background air characteristics; for example, abundance of long\u2010lived compounds such as halogenated hydrocarbons during all measurement periods. Volatile organic compounds (VOCs) from local sources from the island were also seen during daytime upslope flow conditions. These included short\u2010lived biogenic hydrocarbons such as isoprene and monoterpenes and typical emissions from combustion processes such as alkylated aromatics.<\/jats:p>","DOI":"10.1029\/96jd00212","type":"journal-article","created":{"date-parts":[[2004,2,4]],"date-time":"2004-02-04T01:54:06Z","timestamp":1075859646000},"page":"14697-14710","source":"Crossref","is-referenced-by-count":57,"title":["Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii"],"prefix":"10.1029","volume":"101","author":[{"given":"Detlev","family":"Helmig","sequence":"first","affiliation":[]},{"given":"Walter","family":"Pollock","sequence":"additional","affiliation":[]},{"given":"Jim","family":"Greenberg","sequence":"additional","affiliation":[]},{"given":"Pat","family":"Zimmerman","sequence":"additional","affiliation":[]}],"member":"13","published-online":{"date-parts":[[1996,6]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-044230-0.50006-X"},{"key":"e_1_2_1_3_1","first-page":"69","article-title":"Kinetics and mechanisms of the gas\u2010phase reactions of the hydroxyl radical with organic compounds under atmospheric conditions","volume":"85","author":"Atkinson R.","year":"1985","journal-title":"Chem. 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