NYC-WTC_000207730

NYC 9/11 Public Portal Document Aug 30 02 04:35p PSC 010-321-3667 p. B

ENVIRONMENTAL TESTING PSC AMALYTBCAIU INDUSTRIAL HYGIENE •EPA4JVLAP101262-D > NY DOHINELAC 10903 • NJ DEP PAD20 • AIHA ACCREDITATION NO 100438 •PA DEP 06-353 . CT DPH PH.0238 ■NCDENR 599 Analytical Results for

ATC Associates

WorkOrder: R0208O860 Client Reference: 19125-0340

Analyte Concentration Limit of Test Dale Analyzed Detection Method /Analyst (ug) I (mg/m’) I (ppm)

Client ID: ATC-0827-1M-VOC3 Lab ID: -03A Date Sampled: 8/27/02 Matrix: Charcoal AirVol.(L);

1,1,1 -T riqhloroethane <20 <0.17 <0.031 20 O.SHA 7 08/29/2002 JLS 1,2-Dichloroe thane <20 <0.17 <0.041 20 OSHA7 08/29/2002 JLS A Hydrocarbons, Total <20 <0.17 <0.047 20 OSHA7 08/29/2002 JLS Acetone 25 0.21 0.088 20 OSHA7 08/29/2002 JLS

B Hydrocarbons. Total <20 <0.17 <0.044 20 OSHA7 08/29/2002 JLS Benzene <20 <0.17 <0.052 20 OSHA7 08/29/2002 JLS J Chlorobenzene <20 <0.17 <0.036 20 OSHA7 08/29/2002 JLS Chloroform <20 <0.17 <0.034 20 OSHA7 08/29/2002 JLS

Ethylbenzene <20 <0.17 <0.038 20 OSHA7 08/20/2002 JLS Hexane <20 <0.17 <0.047 20 OSHA7 08/29/2002 JLS

Isopropylbenzene <20 <0.17 <0.034 20 O5HA7 08/29/2002 JLS Methylene Chloride <20 <0.17 <0.048 20 OSHA7 08/29/2002 JLS

Pentane <20 <0.17 <0.056 20 OSHA7 08/29/2002 JLS

Styrene <20 <0.17 <0.039 20 OSHA7 08/29/2002 JLS

T etrachloroethene <20 <0.17 <0.025 20 OSHA7 08/29/2002 JLS

Toluene <20 <0.17 <0.044 20 OSHA7 08/29/2002 JLS

Trichloroethene <20 <0.17 <0.031 20 OSHA7 08/29/2002 JLS

Xylenes, Total <20 <0.17 <0.038 20 OSKA? 06/29/2002 JLS

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