NYC-WTC_000207975

NYC 9/11 Public Portal Document O 1 U - 3c: i - 300 / p. iO iiu£ JU uiz uo;cirf-> r 3 1^

RSC AMALVnCAL INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPA/NVLAP 101262-0 •NY OOHiNELAC 10903 •MJOEP PAI32O •AIHAACCREOITATION NO. 100439 •PADEP 06-353 • CT DPH PH-0238 •NCDENRS98 Analytical Results for ATC Associates WorkOrder; R02O80824 Client Reference; 19125-0341

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (Ug) I (mg/ni') (ppm) (ug) Client ID: ATC4)823-2M-VOC4 Lab ID: -04A Date Sampled: 8/23/02 Matrix; Charcool Air \ ol.(L): \A

1,1,1-Trichloroethane <20 20 OSHA 7 08/25/2002 J! '• 1.2-Dichloroethane <20 20 OSHA 7 08/28/2002 JLS A Hydrocarbons, Total <20 20 OSHA 7 OB/28/2002 JLS Acetone <20 20 OSHA 7 0B/28/20Q2 JLS B Hydrocarbons, Total <20 20 OSHA 7 08/28/2002 JLS Benzene <20 20 OSHA 7 08/23/2002 JLS Chlorobenzene <20 20 OSHA 7 08/28/2002 JLS Chloroform <20 20 OSHA 7 08/23/2002 JLS Ethylbenzene <20 20 OSHA 7 08/28/2002 JLS Hexane <20 20 OSHA 7 08/28/2002 JLS Isopropylbenzene <20 20 OSHA 7 08/28/2002 JLS Methylene Chloride <20 20 OSHA 7 08/28/2002 JLS Pentane <20 20 OSHA 7 08/28/2002 JLS Styrene <20 20 OSHA 7 08/28/2002 JLS Tetrachloroethene <20 20 OSHA 7 08/28/2002 JLS Toluene <20 20 OSHA 7 08/28/2002 JLS Tnchloroelhene <20 20 OSHA 7 08/28/2002 JLS Xylenes, Total <20 20 OSHA 7 08/28/2002 JLS

(al Analysis indicates possible breakthrough; back section result is greater than % of the front section result.

General Notes: <; Less than the indicated limit of detection (LOD). — ■ Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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NYC-WTC_000207978