1,2,3-Trichloropropane (1,2,3-TCP) is usually found at industrial waste sites. It can
be used as a solvent or as a degreasing agent and is also a chemical intermediate
when synthesizing other compounds. 1,2,3-TCP does not typically leach into soil,
thus it is commonly found in ground water. Since it is a highly carcinogenic
chemical and has been found to be a common contaminant in ground water,
California has established 1,2,3-TCP as a hazardous compound with a notification
level of 0.005-micrograms per liter (μg/L) in drinking water. While in Europe, 1,2,3-
TCP is listed as a substance of very high concern that may cause cancer and is
toxic for reproduction. This application will examine purge and trap sampling in
conjunction with Gas Chromatography/Mass Spectrometry (GC/MS) for the
determination of low levels of 1,2,3-Trichloropropane.

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