NYC-WTC_000196748

NYC 9/11 Public Portal Document

Sep 12 02 11;14a PSC 610-921-9667 P- 5

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC •EPA/MVIAP101262-0 • NY DOHINELAC 10903 •NJDEP PA020 • AIHA ACCREDITATION NO 100439 • PA DEP 06-353 • CT DPH PH-0238 •NCDENR68S Analytical Results for

ATC Associates WorkOrder: R.02090199 Client Reference: 19125-0342

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

Client ID: ATC-0904-42M-VOC2 Lab ID: -02A Date Sampled: 9/4/2002 Matrix: Charcoal AirVol.(L): 120

1,1,1-Tnchlciroethane <20 <0 17 <0 031 20 OSHA 7 09/09/2002 JLS 1,2-Dichloroethane <20 <0 17 <0 041 20 OSHA 7 09/09/2002 JLS A Hydrocarbons, Total 27 0 22 0.064 20 OSHA 7 09/09/2002 JLS Acetone <20 <017 <0.070 20 OSHA 7 09/09/2002 JLS B Hydrocarbons, Total <20 <0.17 <0 044 20 OSHA 7 09/09/2002 JLS Benzene <20 <0.17 <0 052 20 OSHA 7 09/09/2002 JLS Chlorobenzene <20 <0 17 <0 036 20 OSHA 7 09/09/2002 JLS Chloroform <20 <0 17 <0.034 20 OSHA 7 09/09/2002 JLS Ethylbenzene <20 <017 <0 038 20 OSHA 7 09/09/2002 JLS Hexane <20 <0 17 <0.047 20 OSHA 7 09/09/2002 JLS Isopropylbenzene <20 <0 17 <0 034 20 OSHA 7 09/09/2002 JLS Methylene Chloride <20 <0 17 <0 048 20 OSHA 7 09/09/2002 JLS Pentane <20 <0 17 <0.056 20 OSHA 7 09/09/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 09/09/2002 JLS T etrachloroethene <20 <0 17 <0.025 20 OSHA 7 09/09/2002 JLS Toluene <20 <017 <0 044 20 OSHA 7 09/09/2002 JLS Trichloroethene <20 <0.17 <0 031 20 OSHA 7 09/09/2002 JLS Xylenes, Total <20 <0 17 <0 038 20 OSHA 7 09/09/2002 JLS

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NYC-WTC_000196749