NYC-WTC_000202173

NYC 9/11 Public Portal Document

Aug 27 02 03:533 PSC GlO-921-9BG7 p. 1 1

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING FSC • EPA14VIAP101262-0 • NY OOKINELAC10903 ■ NJ DEP PA020 • AIHAACCREDITATION NO. 1CD433 • PA DEP 06-353 • CT OPH PH-D23B ■NCDENR698 Analytical Results for ATC Associates WorkOrder: R02080550 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) : I (ppm) (ng) Client ID: ATC-0816-89M-VOC4 " i.ab rn: -04A Date Sampled: 8/16/2002 Matrix: Charcoal AirVol.(L): 120

1,1,1-Tri chloroethane <20 <0.17 <0.031 20 OS HA 7 08/23/2002 JLS 1,2-Diohloroethane <20 <0.17 <0.041 20 OSHA7 08/23/2002 JLS A Hydrocarbons, Total <20 <0.17 <0.047 20. OSHA 7 08/23/2002 JLS Acetone <20 <0.17 <0.070 20 OSHA 7 08/23/2002 JLS B Hydrocarbons, Total <20 <0.17 <0.044 20 OSHA 7 08/23/2002 JLS Benzene <20 <0.17 <0.052 20 OSHA 7 QS/23/20D2 JLS Chlorobenzene <20 <0.17 <0.036 20 OSHA 7 08/23/2002 JLS Chloroform <20 <0.17 <0.034 20 OSHA 7 08/23/2002 JLS Ethylbenzene <20 <0.17 <0.038 20 OSHA 7 08/23/2002 JLS Hexane <20 <0.17 <0.047 20 OSHA 7 06/23/2002 JLS isopropylbenzene <20 <0.17 <0.034 20 OSHA 7 08/23/2002 JLS Methylene Chloride <20 <0.17 <0.048 20 OSHA 7 OS/23/2002 JLS Pentane <20 <0.17 <0.056 20 OSHA 7 08/23/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 08/23/2002 JLS Tstrachloroethene <20 <0.17 <0.025 20 OSHA 7 08/23/2002 JLS Toluene <20 <0.17 <0.044 20 OSHA 7 08/23/2002 JLS Trichloroethene <20 <0.17 <0.031 20 OSHA 7 08/23/2002 JLS X/lenes. Total <20 <0.17 <0.038 20 OSHA 7 08/23/2002 JLS

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NYC-WTC_000202176