NYC-WTC_000228709

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPANVLAP 1012624) • NY OtTHAIELAC 10903 •NJDEP PA020 •AIHA ACCREDITATION NO. 100439 • PA DEP OS-363 •CT 0PHPH-J238 •NC DENR 599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02050248 Client Reference: 19125-0291, VOC Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (“B) : (mg/ra’) ■ (ppm) (ue) Client ID: V0C5 ATC-0504-M833 Lab ID; -05A Date Sampled: 5/4/02 Matrix; Charcoal Air Vol.(L): NA 1.1.1-Tri chloroethane <20 20 Total Hydrocarbon Sc 05/08/2002 J MM 1.2-Oichloroethana <20 20 Total Hydrocarbon Sc 05/08/2002 JMM A Hydrocarbons, Total <20 20 Total Hydrocarbon Sc 05/08/2002 J MM Acetone <20 20 Total Hydrocarbon Sc 06/08/2002 JMM B Hydrocarbons. Total <20 20 Total Hydrocartxxi Sc 05/08/2002 JMM Benzene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Chlorobenzene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Chlorolorm <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Ethylbenzene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Hexane <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Isopropylbenzene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Methylene Chloride <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Pentane <20 20 Total Hydrocarbon Sc 06/08/2002 JMM Styrene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Tetrachloroethene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Toluene <20 20 Total Hydrocarbon Sc 05/08/2002 JMM Trichloroethene <20 20 Total Hydrocarbon Sc 05/08'2002 JMM Xylenes. Total <20 20 Total Hydrocarbon Sc 05/08/2002 JMM

(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 (LOD). Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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