NYC-WTC_000199348

NYC 9/11 Public Portal Document Rug 30 02 04:35p PSC Bia-321-9667 P-4

ENVIRONMENTAL TESTING PSC .AMALYTJGAL SERVICES INDUSTRIAL HYGIENE ■EPA/NVLAP101262-0 ■ NY DOH/NELAC10803 •NJDEPPA020 •AIHAACCREDITATION NO. 100439 • PA DEP 06-353 •CTDPH PH-D238 ■NCDENR599 Analytical Results for ATC Associates WorkOrder: R02080860 Client Reference: 19125-0340

Analyte Concentration Limit of Test Date Analyzed Detection .Method /Analyst (ug) (mg/m’) : (ppm) (Ug)

Client ID: ATC-0827-1M-VOC1 Lab ID: -01A Date Sampled: 8/27/02 Matrij:: Charcoal AirVol.(L): 120.^..

1,1,1-Trichloroe thane <20 <0.17 <0.031 20 OS HA 7 08/29/2002 JLS 1,2-Dichloroe thane <20 <0.17 <0.041 20 OS HA 7 08/29/2002 JLS A Hydrocarbons. Total <20 <0.17 <0.047 20 OSHA7 08/29/2002 JLS Acetone <20 <0.17 <0.070 20 OSHA 7 08/29/2002 JLS B Hydrocarbons. Total <20 <0.17 <0.044 20 OSHA 7 08/29/2002 JLS J Benzene Chlorobenzene <20 <20 <0.17 <0.17 <0.052 <0.036 20 20 OSHA 7 OSHA 7 08/29/2002 08/29/2002 JLS JLS I Chloroform <20 <0.17 <0.034 20 OSHA 7 08/29/2002 JLS Ethylbenzene <20 <0.17 <0.038 20 OSHA 7 08/29/2002 JLS Hexane <20 <0.17 <0.047 20 OSHA 7 08/29/2002 JLS Isopropylbenzene <20 <0.17 <0.034 20 OSHA 7 08/29/2002 JLS Methylene Chloride <20 <0.17 <0.048 20 OSHA 7 08/29/2002 JLS Pentane <20 <0.17 <0.056 20 OSHA 7 08/29/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 08/29/2002 JLS Tetra chloroethene <20 <0.17 <0.025 20 OSHA 7 08/29/2002 JLS Toluene <20 <0.17 <0.044 20 OSHA 7 08/29/2002 JLS Tri chloroethene <20 <0.17 <0.031 20 OSHA 7 08/29/2002 JLS Xylenes. Total 95 0.79 0.18 20 OSHA 7 08/29/2002 JLS

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NYC-WTC_000199348