NYC-WTC_000199269

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC SERVSCES •NJDEP PAD20 ■ EPANVLAP 101262-0 •NYDOttWElAC 10903 ■ AIHA ACCREDITATION NO, 100439 • PA DEP 06-363 ■CTDPH PH-0238 •NC0ENR599 Analytical Results for ATC Associates WorkOrder: R02080731 Client Reference: 19125-0346

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

Client ID; ATC-0822-131M-VOC4 Lab ID: -04A Date Sampled; 8/22/02 Matrix; Charcoal Air Vol.(L): N A

1,1,1 -TnchloroethooG <20 20 OSHA 7 08/26/2002 JLS 1 2-Dichloroethane <20 20 OSHA 7 08/26/2002 JOS A Hydrocarbons, Total <20 20 OSHA 7 08/26/2002 JL.S Acetone <20 20 OSHA 7 08/26/2002 JL.S 8 Hydrocarbons, Total <20 20 OSHA 7 08/26/2002 JLS Benzene <20 20 OSHA 7 08/26/2002 J 1.3 Chlorobenzene <20 20 OSHA 7 08/26/2DC2 JLS Chloroform <20 20 OSHA 7 08/26/2002 JLS Ethylbenzene <20 20 OSHA 7 08/26/2002 JLS Hexane <20 20 OSHA 7 08/26/2002 JLS Isopropylbenzene <20 20 OSHA 7 08/26/2002 JLS Methylene Chloride <20 20 OSHA 7 08/26/2002 JLS Pentane <20 20 OSHA 7 08/26/2002 JLS Styrene <20 20 OSHA 7 08/26/2002 JlS T etrachloroethene <20 20 OSHA 7 08/26/2002 JLS Toluene <20 20 OSHA 7 08/26/2002 JLS Trichioroethene <20 20 OSHA 7 08/26/2002 JLS Xylenes, Total <20 20 OSHA 7 08/26/2002 -LS

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

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

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NYC-WTC_000199272