NYC-WTC_000199269

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ENVIRONMENTAL TESTING PSC AMALVTOGAL INDUSTRIAL HYGIENE ■EPA/NVLAP101262-0 • NY OOHA'ELAC 10903 ■NJ CEP PA02: •AIHAACCREOITATIONNO. 100439 • PA OEP 05-363 •CT DPH PH-023S •NCDENR 599 Analytical Results for A rc Associates WorkOrder: RO2O8O731 Client Reference; 19125-0346

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) .' (mg/tn^) (ppm) (us)

Client ID: ATC-0822-131M-VOC2 Lab ID: -02A Date Sampled; 8/22/02 Matrix; Charcoal Air Vol.(L); 120

1, ,,1-Trichloroethane <20 <0.17 <0.031 20 OSHA 7 08/26/2002 JLS 1,2-Dichloroethane <20 <0.17 <0.041 20 OSHA 7 08/26/2002 JLS A Hydrocarbons, Total <20 <0.17 <0.047 20 OSHA 7 08/26/2002 JLS Acetone <20 <0.17 <0.070 20 OSHA 7 08/26/2002 JLS B Hydrocarbons. Total <20 <0.17 <0.044 20 OSHA 7 08/26/2002 JLS Benzene <20 <0.17 <0.052 20 OSHA 7 Oa/26/2002 JLS Chlorobenzene <20 <0.17 <0.036 20 OSHA 7 08/26/2002 JLS Chloroform <20 <0.17 <0.034 20 OSHA 7 08/26/2002 JLS Ethylbenzene <20 <0.17 <0.038 20 OSHA 7 08/26/2002 JlS Hexane <20 <0.17 <0.047 20 OSHA 7 08/26/2002 JLS Isopropylbenzene <20 <0.17 <0.034 20 OSHA 7 08/26/2002 JLS Methylene Chloride <20 <0.17 <0.048 20 OSHA 7 06/26/2002 JLS Pentane <20 <0.17 <0.056 20 OSHA 7 08/26/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 08/26/2002 JLS Tetrachloroethene <20 <0,17 <0.025 20 OSHA 7 08/26/2002 JlS Toluene <20 <0.17 <0.044 20 OSHA 7 08/26/2002 JLS Tri chloroethene <20 <0.17 <0.031 20 OSHA 7 08/25/2002 J.S Xylenes. Total <20 <0.17 <0.038 20 OSHA 7 08/26/2002 JLS

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NYC-WTC_000199270