NYC-WTC_000189387

NYC 9/11 Public Portal Document

Apr 03 02 01:50p PSC BlO-321-3667 p, 12

INDUSTRIAL HYGIENE EMVIRONMENTAL TESTING • EPAINVLAP101202-0 ■ NY DOHmELAC 10903 • NJ DEP PA020 ■ AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •CT DPHPH-023B •NCDENR59S

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R0204OO75 Client Reference: 19125-0290, VOC

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (nig/m’) ; (ppm) (Hi) Client ID: VOCl ATC-0329-M894 Lab ID: -OlA Date Sampled: 3/29/02 Matrix: Charcoal AirVoI.(L): '20 1,1,1-Trlchloroethane <20 <0,17 <0.031 20 Total Hydrocarbon Sc 04/04/2002 JMM 1,2-Dichloroethane <20 <0.17 <0.041 20 Total Hydrocarbon Sc 04/04/2002 JMM A Hydrocarbons. Total <20 <0.17 <0,047 20 Total Hydrocarbon Sc 04/04/2002 Acetone 65 0.54 20 Total Hydrocarbon Sc 04/04/2002 B Hydrocarbons, Total <20 <0.17 <0.044 20 Total Hydrocarbon Sc 04/04/2002 J MM Benzene <20 <0.17 <0.052 20 Total Hydrocarbon Sc 04/04/2002 JLIM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 04/04/2002 JMM Chloroform <20 <0.17 <0.034 20 Total Hydrocarbon Sc 04/04/2002 JMM Ethylbenzene <20 <0-17 <0.038 20 Total Hydrocarbon Sc 04/04/2002 JNIM Hexane 21 0,18 0.051 20 Total Hydrocarbon Sc 04/04/2002 JMM Isopropylbenzene <20 <0.17 <0.034 20 Total Hydrocarbon Sc 04/04/2002 JMM Methylene Chloride <20 <0.17 <0 048 2D Total Hydrocarbon Sc 04/04/2002 JMM Pentane <20 <0.17 <0.056 20 Total Hydrocarbon Sc 04/04/2002 JMM Styrene <20 <0.17 <0.039 20 Total Hydrocarbon Sc 04/04/2002 JMM Tetrachloroethene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 04/04/2002 JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 04/04/2002 JMM TrlchloroGlhene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 04/04/2002 JMM Xylenes. Total <20 <0.17 <0.036 20 Total Hydrocarbon Sc 04/04/2002 JMM

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NYC-WTC_000189387