Westchester Dept, of Labs & Research
User: Vannelli, Sandy
Date: 03-06-2002 Time: 10:43:47
The 524.2 analysis was run one day past the holding time. The recovery of vinyl
chloride in the QC sample was 140%; the recovery of trichlorofluoromethane in
the QC sample was 142%; the recovery of 2-butanone in the QC sample was 168%.
NYC-WTC_000020492
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NYC-WTC_000020492Source: NYC Law Department, mirrored locally