{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T06:17:34Z","timestamp":1777702654002,"version":"3.51.4"},"reference-count":26,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,26]],"date-time":"2023-06-26T00:00:00Z","timestamp":1687737600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["20RD10606"],"award-info":[{"award-number":["20RD10606"]}]},{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["CREDRD204017"],"award-info":[{"award-number":["CREDRD204017"]}]},{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["2072C002"],"award-info":[{"award-number":["2072C002"]}]},{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["PROJET\u20142072C0001"],"award-info":[{"award-number":["PROJET\u20142072C0001"]}]},{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["C0002"],"award-info":[{"award-number":["C0002"]}]},{"name":"ADEME (Agence de l\u2019environnement et de la ma\u00eetrise de l\u2019Energie)","award":["C0003"],"award-info":[{"award-number":["C0003"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Vapor intrusion is detrimental for indoor air quality. One of the most common sources of vapor intrusion is soil contaminated with petroleum hydrocarbons. To evaluate the long-term risk from individual exposure to hydrocarbons it is necessary to measure quantitively and reliably an average concentration level of individual pollutants on a monthly or yearly basis. Temporal variability of vapor intrusion from hydrocarbons poses a significant challenge to determination of average exposure and there is a need for reliable long-term integrative sampling. To this end, an analytical method for determination of 10 selected nonmethane hydrocarbons (NMHCs), including hexane, heptane, octane, decane, benzene, toluene, ethyl-benzene, m,p-xylene, o-xylene, and naphthalene, sampled on active triple-bed tubes filled with Carbograph 2, Carbograph 1, and Carboxen 1003 adsorbents was developed and validated. Extensive laboratory studies proved the absence of breakthrough at 50% HR and ambient temperature for experiments lasting up to 28 days and established a safe sampling time\/volume of 20 days\/114 L when sampling at a low flow rate of around 4 mL min\u22121. In addition, the developed method includes detailed uncertainty calculations for determination of concentrations. Finally, the method was tested by measuring NMHC concentrations in indoor air at a former industrial site during a 2-month-long field campaign in Lyon. The results of the field campaign suggest that 4-week integrated concentration measurements can be achieved by using active sampling on triple-bed tubes at 4.5 mL min\u22121.<\/jats:p>","DOI":"10.3390\/molecules28135001","type":"journal-article","created":{"date-parts":[[2023,6,27]],"date-time":"2023-06-27T02:11:22Z","timestamp":1687831882000},"page":"5001","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Development of a Long-Term Sampling Method for Determination of NMHCs in Indoor Air"],"prefix":"10.3390","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6825-1314","authenticated-orcid":false,"given":"Darya","family":"Urupina","sequence":"first","affiliation":[{"name":"IMT Nord Europe, Institut Mines-Telecom, Centre for Energy and Environment, University Lille, 59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sylvie","family":"Traverse","sequence":"additional","affiliation":[{"name":"GINGER-BURGEAP, 19 Rue de la Villette, CEDEX 3, 69425 Lyon, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thierry","family":"Leonardis","sequence":"additional","affiliation":[{"name":"IMT Nord Europe, Institut Mines-Telecom, Centre for Energy and Environment, University Lille, 59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elise","family":"Eymard-Vernain","sequence":"additional","affiliation":[{"name":"TERA Environment, 628 Rue Charles de Gaulle, 38920 Crolles, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julien","family":"Guilhermet","sequence":"additional","affiliation":[{"name":"TERA Environment, 628 Rue Charles de Gaulle, 38920 Crolles, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincent","family":"Ricard","sequence":"additional","affiliation":[{"name":"TERA Environment, 628 Rue Charles de Gaulle, 38920 Crolles, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marie","family":"Lemoine","sequence":"additional","affiliation":[{"name":"GINGER-BURGEAP, 19 Rue de la Villette, CEDEX 3, 69425 Lyon, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Camille","family":"Varlet","sequence":"additional","affiliation":[{"name":"IMT Nord Europe, Institut Mines-Telecom, Centre for Energy and Environment, University Lille, 59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Remy","family":"Gillet","sequence":"additional","affiliation":[{"name":"GINGER-BURGEAP, 19 Rue de la Villette, CEDEX 3, 69425 Lyon, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nadine","family":"Locoge","sequence":"additional","affiliation":[{"name":"IMT Nord Europe, Institut Mines-Telecom, Centre for Energy and Environment, University Lille, 59000 Lille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,26]]},"reference":[{"key":"ref_1","unstructured":"ANSES (2021, November 15). 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