NYC-WTC_000207759

NYC 9/11 Public Portal Document Sep 12 02 11:14a PSC GIO-921-9667 P, 6

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC • EPAINVLAP101262-D • NY DOH/MELAC 10903 ■NJ DEP PAD20 • AIHA ACCREDITATION NO, 100439 • PA DEP 06-353 •CT DPH PH-023E •NCDENRSaS

Analytical Results for ATC Associates WorkOrder; R02090199 Client Reference: 19125-0342

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) I (mg/m^) (ppm) (ug) Client ID: ATC-0904-42M-VOC3 Lab fD: -OSA Date Sampled; 9/4/2002 Matrix: Charcoal AirVDl.(L): I2I>—

1,1,1-TfichlDroethane <20 <0.17 <0,031 20 OSHA 7 09/00/2002 JLS 1,2-Dichlofoethane <20 <0.17 <0.041 20 OSHA? 09/09/2002 JLS A Hydrocarbons, Total <20 <0.17 <0.047 20 OSHA 7 09/09/2002 JLS Acetone <20 <0.17 <0.070 20 OSHA 7 09/09/2002 JLS B Hydrocarbons, Total 28 0.23 0.062 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 <0.17 <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 09/0S/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 09/09/2002 JLS Tetrachbroethene <20 <0.17 <0.025 20 OSHA 7 09/09/2002 JLS Toluene <20 <0.17 <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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CITY_21MC100_003015864

NYC-WTC_000207761