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REVIEWED**SEDIMENT/SOIL CONCENTRATIONS:SEDIMENT: After March 10, 1980 train derailment in Canada in which largequantities of vinyl chloride were spilled in the snow, soil samplesreached levels as high as 500 ppm between one and two meters below thesoil surface(1). [(1) Charlton J et al; pp. 245-67 in Hazard Assessment ofChemicals Vol 2. Saxena J ed (1983)]**PEER REVIEWED**SOIL: Vinyl chloride was identified, not quantified, in soil samples fromthe Cannon Engineering Corporation site in Bridgewater, MA(1) and theLudlow Sand and Gravel site in Oneida, NY(2). [(1) USEPA; Superfund Recordof Decision (EPA Region 1) Cannon Engineering, MA. First Remedial Action,March 1988. PB89-225577 (1989) (2) USEPA; Superfund Record of Decision(EPA Region 2) Ludlow Sand and Gravel Site, Town of Paris Oneida County,NY First Remedial Action, September 1988. PB89-182521 (1989)]**PEERREVIEWED**ATMOSPHERIC CONCENTRATIONS:URBAN/SUBURBAN: Vinyl chloride was detected at unspecified urban locationsin the US at concns of 10-32 parts per trillion(1). Vinyl chloride wasidentified, not quantified, in ambient air of Boston, Chicago, Houston andthe Seattle/Tacoma area(2). [(1) Grosjean E et al; Environ Sci Technol 33:1970-78 (1999) (2) Evans GF et al; J Air Waste Manage Assoc 42: 1319-23(1992)]**PEER REVIEWED**SOURCE DOMINATED: Ambient air near 2 vinyl chloride (VC) plants in LongBeach, CA contained 0.1-3.4 ppm(1). Vinyl chloride was detected in newauto interiors at concns of 0.4 to 1.2 ppm(1). After Mar 10, 1980 trainderailment in Canada in which quantities of VC were spilled during ablizzard, levels in excess of 200 ppm were found at ground levels nearsome freight cars but levels outside of the spill area were < 0.02 ppmthe detection limit(2). Vinyl chloride was detected in ambient air near awaste site at 2-7.3 ppb(3). Vinyl chloride was detected in eight highlyindustrialized areas in the US at concns of 0-0.513 ppb(4). Vinyl chloridewas detected in Houston, TX near vinyl chloride manufacturing plants atconcns of 3.1-1,250 ppb(5,6). [(1) IARC; Monograph, Some Monomers,Plastics and Synthetic Elastomers, and Arolein 19: 380-3 (1979) (2)Charleton J et al; pp. 245-67 in Hazard Assessment of Chemicals Vol 2.Saxena J, ed (1983) (3) Stephens RD et al; pp. 265-87 in Pollutants in aMultimedia Environment. Cohen Y, ed. NY, NY: Plenum Press (1986) (4)Pellizzari ED; Quantification of Chlorinated Hydrocarbons in PreviouslyCollected Air Samples USEPA-450/3-78-112 (1978) (5) McMurray JR, Tarr J;IES 24 Ann Mtg Fort Worth, TX 18-20 Apr 78 p 149-53 (1978) (6) Fishbein L;Sci Total Environ 11: 111-61 (1979)]**PEER REVIEWED**INDOOR AIR: Vinyl chloride was detected in the air of homes from aneighborhood surrounding a landfill at concns of 4 ppb (avg) and 7 ppb(max concn)(1). [(1) Stephens RD et al; pp. 265-87 in Pollutants in aMultimedia Environment. Cohen Y, ed. NY, NY: Plenum Press (1986)]**PEERREVIEWED**FOOD SURVEY VALUES:Vinyl chloride was detected at 20 mg/kg in alcoholic beverages which werepackaged in products containing vinyl chloride(1,2). Vinyl chloride wasdetected in edible oils at concns of 0.05 to 2 ppm avg and in butter andmargarine at unspecified concns(2). [(1) IARC; Monograph Some Anti-Thyroid