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Thermal Desorption Gas Chromatography-Mass Spectrometry Field Methods for the Detection of Organic Compounds.
Robbat-A Jr.; Liu-Y; Abraham-B; Liu-J
NIOSH 1991 Feb:319-325
Practical gas chromatography/mass spectrometry (GC/MS) field methods which require only minimal cleanup of the sample were described for use at hazardous waste sites. A Bruker Instruments mobile mass spectrometer powered by battery or electrical supply from the site was transported to Superfund sites by truck. Analyte introduction for quantitative measurements was made by coinjecting organic extracts of polychlorinated biphenyls, polycyclic aromatic hydrocarbons, or pesticides and internal standards onto an aluminum covered petri dish followed by thermal desorption GC/MS and for screening measurements by direct thermal desorption from soil/sediment. Results of studies indicated that GC/MS can be operated in the field, provide rapid access of data, and allow project managers to make decisions on site.
Soil-analysis; Water-analysis; Agricultural-chemicals; Chemical-analysis; Analytical-chemistry; Chromatographic-analysis; Spectrographic-analysis; Environmental-pollution;
Field Screening Methods for Hazardous Wastes and Toxic Chemicals. Second International Symposium, February 12-14, 1991. Sponsored by U.S. EPA; U.S. DOE; U.S. Army Toxic and Hazardous Materials Agency; U.S. Army Chemical Research Development and Engineering Center; U.S.A.F.; Florida State Univ.; National Environmental Technology Applications Corp.; and NIOSH
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Content source: National Institute for Occupational Safety and Health Education and Information Division