NYC-WTC_000222692

NYC 9/11 Public Portal Document

Mar 07 02 01:25p PSC Hnalytical Services B109219BB7 p. 15

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EP/UNVtAP1D1262-0 ■ NY DOHAIELAC 10903 •NJ DeP PA020 •AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •CT DPH PH-0238 •NC DENR 599

ANALYTICAL, SERVICES Analytical Results for ATC Associates WorkOrder: R02030174 Client Reference: 19125-0290

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (“g) • (nig/m’) ; (ppm) (ug)

Client ID: VOC4 ATC-0301-M894 Lab ID: -04A Date Sampled: 3/1/02 Matrix; Charcoal AirVol.(L): 120 1,1,1-Tri chloroethane <20 <0.17 <0.031 20 Total Hydrocarbon Sc 03/06/2002 JMM 1,2-Dichloroelhane <20 <0.17 <0.041 ■20 Total Hydrocarbon Sc 03/06/2002 JMM A Hydrocarbons, Total <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/06/2002 JMM Acetone <20 <0.17 <0.070 20 Total Hydrocarbon Sc 03/06/2002 JMM B Hydrocarbons, Total <20 <0.17 <0.044 20 Total Hydrocarbon Sc 03/06/2002 JMM Benzene <20 <0.17 <0.052 20 Total Hydrocarbon Sc 03/06/2002. JMM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 03/06/2002 JMM Chloroform <20 ; <0.17 <0.034 20 Total Hydrocarbon Sc 03/06/2002 JMM Ethylbenzene <20 . <0.17 <0.038 20 Total Hydrocarbon Sc 03/06/2002 JMM Hexane <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/06/2002 JMM Isopropylbenzene <20 <0.17 <0.034 20 Total Hydrocarbon Sc 03/06/2002 JMM Methylene Chloride <20 : <0.17 <0.048 20 Total Hydrocaibon Sc 03/06/2002 JMM Pentane <20 <0.17 <0.056 20 Total Hydrocarbon Sc 03/06/2002 JMM Styrene <20 , <0.17 <0.039 20 Total Hydrocarbon Sc 03/06/2002 JMM Tetrachloroelhene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 03/0S/2002' JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 03/06/2002 JMM Tri chloroethene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 03/06/2002 JMM Xylenes, Total <20 <0.17 <0.038 20 Total Hydrocarbon Sc 03/06/2002 JMM

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