NYC-WTC_000227055

NYC 9/11 Public Portal Document

i=SCZ INDUSTRIAL HYGIENE • EPAMVLAP101262-0 ■AIHAACCREDITATIONNO. 100439 •NC DENR 599 ENVIRONMENTAL TESTING • NY DOHINELAC 10803 •PADEP06-353 • NJ DEPPA020 •CT DPH PH-0238

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02030489 Client Reference: 19125-0291

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (mg/m") ; (ppm) (ug)

Client ID: V0C2 ATC-O3O9-M833 Lab ID: -02A Date Sampled: 3/9/02 Matrix: Charcoal AirVol.(L): 120 1,1,1-Tri chloroethane <20 <0.17 <0.031 20 Total Hydrocarbon Sc 03/14/2002 JMM 1,2-Dichloroethane <20 <0.17 <0.041 20 Total Hydrocarbon Sc 03/14/2002 JMM A Hydrocarbons, Total <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/14/2002 JMM Acetone <20 <0.17 <0.070 20 Total Hydrocarbon Sc 03/14/2002 JMM B Hydrocarbons, Total <20 <0.17 <0.044 20 Total Hydrocarbon Sc 03/14/2002 JMM Benzene <20 <0.17 <0.052 20 Total Hydrocarbon Sc 03/14/2002 JMM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 03/14/2002 JMM Chloroform 32 Z 0.27 0.055 20 Total Hydrocarbon Sc 03/14/2002 JMM Ethylbenzene <20 <0.17 <0.038 20 Total Hydrocarbon Sc 03/14/2002 JMM Hexane <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/14/2002 JMM Isopropylbenzene <20 <0.17 <0.034 20 Total Hydrocarbon Sc 03/14/2002 JMM Methylene Chloride <20 <0.17 <0.048 20 Total Hydrocarbon Sc 03/14/2002 JMM Pentane <20 <0.17 <0.056 20 Total Hydrocarbon Sc 03/14/2002 JMM Styrene <20 <0.17 <0.039 20 Total Hydrocarbon Sc 03/14/2002 JMM Tetrachloroethene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 03/14/2002 JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 03/14/2002 JMM Trichloroethene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 03/14/2002 JMM Xylenes, Total <20 <0.17 <0.038 20 Total Hydrocarbon Sc 03/14/2002 JMM

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NYC-WTC_000227056