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Development of methods for sampling and analysis of polychlorinated naphthalenes (PCN) in ambient air

Conference · · Environ. Sci. Technol.; (United States)
OSTI ID:5245331
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The development of methods for sampling and analysis of polychlorinated naphthalenes (PCN) in ambient air was undertaken since PCN's, which are used as engine oil additives, have been found in a variety of environmental media, e.g., a drainage ditch in South Florida near an airport overhaul hanger. PCN's were collected on a glass fiber filter (GFF) and two precleaned polyurethane foam (PUF) plugs in tandem. PCN's were triply extracted from PUF and GFF with toluene at 25/sup 0/C. Samples were analyzed by a quadrupole gas chromatography/mass spectrometry/computer method which permitted detection of 0.3 ng/cu m of one PCN isomer. PCN's were detected in air near a PCN manufacturing site at an average concentration of 150 and 1400 ng/cu m during two successive 24 hr sampling periods. Although all isomers were observed, mono-, di-, and trichloronaphthalene accounted for 27, 31, and 37% of the total, respectively. The first PUF plug contained 93% of the PCN's with the remainder appearing on the GFF and second PUF plug. PCN levels of 9.8-33 ng/cu m were also detected at a PCN user site.
OSTI ID:
5245331
Conference Information:
Journal Name: Environ. Sci. Technol.; (United States) Journal Volume: 12:8
Country of Publication:
United States
Language:
English

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Related Subjects

500100 -- Environment
Atmospheric-- Basic Studies-- (-1989)
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ADDITIVES
AIR
AIR POLLUTION
AIR QUALITY
AROMATICS
CHEMICAL ANALYSIS
CHLORINATED AROMATIC HYDROCARBONS
CONDENSED AROMATICS
ENVIRONMENTAL QUALITY
FLUIDS
FUEL ADDITIVES
GASES
HALOGENATED AROMATIC HYDROCARBONS
HYDROCARBONS
MONITORING
NAPHTHALENE
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION
QUALITATIVE CHEMICAL ANALYSIS
WATER POLLUTION