NYC-WTC_000207759

NYC 9/11 Public Portal Document 610-921-9GG7 P-4 Sep 12 02 11:14a PSC

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC • EP/VNVLAP101252-0 • NY DOH/MELAC 10903 •NJDEP PA020 • AIHAACCREDITATIONNO. 100«5 • PADEP 06-351 • CTDPH PH-023a •NCDENR599

Analytical Results for ATC Associates

WorkOrder: R02090199 Client Reference: 19125-0342

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (ppm) (ug) Client ID: ATC'0904-42M-VOC1 Lab ID: -01A Date Sampled: 9/4/2002 Matri.v: Cltarcoal Ail-Vol,(LJ: I2()-

1,1,1-Trichloroethane <20 <0.17 <0.031 20 O5HA7 00/09/2002 JLS 1,2-Dicbloroethane <20 <0.17 <0,041 20 OSHA 7 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 JUS B Hydrocarbons, Total 24 0.20 0,063 20 OSHA 7 09/0B/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 Chlorofonri <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 09/09/2002 JLS Styrene <20 <0.17 <0.039 20 OSHA 7 09/09/2002 JLS Tetrachlorosthene <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 Trichlofoethene <20 <0.17 <0.031 20 OSHA 7 09/03/2002 JLS Xylenes, Total <20 <0.17 <0.038 20 OSHA 7 09/09/2002 JLS

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CITY_21MC100_003015862

NYC-WTC_000207759