NYC-WTC_000223190

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPAWLAP 101262-0 "NY OOHNELAC 10903 •NJ 3EP PA020 •AIHAACCREOITATIONNO. 100439 -PA 0EP06.353 •CTDPH PHM23B •NC0ENR599

ANALYTICAL SERVICES Analytical Results for

ATC Associates WorkOrder: R02050246 Client Reference: 19125-0246, VOC

Analyte Concentration Limit of Test Date Analyzed Detection .Method /Analyst i I'// I o iP‘ (ugj (mg/m’) : (ppm) (ug>

Client ID; VOCl ATC-0501-ST Lab ID: -01A Date Sampled: 5/1/02 Matrix: Charcoal Air Vol.<L): 96 1,1,1-Tricnioroethane <20 <0.21 <0 038 20 Total HyOrocartion Sc 05/08/2002 JMM 1,2-Dichloroethane <20 <0.21 <0.051 20 Total Hydrocarbon Sc 05/08/2002 JMM A Hydrocarbons. Total <20 <0.21 <0.059 20 Total Hydrocarbon Sc 05/0&2002 JMM Acetone <20 <0.21 <0.088 20 Total Hydrocarbon Sc 05/0&2002 JMM B Hydrocarbons, Total <20 <0.21 <0.055 20 Total Hydrocarbon Sc 05/08/2002 JMM Benzene <20 <0.21 <0.065 20 Total Hydrocarbon Sc 05/08/2002 JM.M Chlorobenzene <20 <0.21 <0.045 20 Total Hydrocarbon Sc 05/08/2002 JMM Chloroform <20 <0.21 <0.043 20 Total Hydrocarbon Sc 05/08/2002 JMM Ethylbenzene <20 <0.21 <0.048 20 Total Hydrocarbon Sc 05/08/2002 JMM Hexane <20 <0.21 <0.059 20 Total Hydrocarbon Sc 05/08/2002 JMM Isopropylbenzene <20 <0.21 <0.042 20 Total Hydrocarbon Sc 05/08/2002 JMM Methylene Chloride <20 <0.21 <0.060 20 Total Hydrocarbon Sc 05/08/2002 JMM Pentane <20 <0.21 <0.071 20 Total Hydrocarbon Sc 05/08/2002 JMM

Styrene <20 <0.21 <0.049 20 Total Hydrocarbon Sc 05/08/2002 jMM

Tetrachloroethene <20 <0.21 <0.031 20 Total Hydrocarbon Sc 05/08/2002 JMM Toluene <20 <0.21 <0.055 20 Total Hydrocarbon Sc 05/08/2002 JMM Trichloroethene <20 <0.21 <0.039 20 Total Hydrocarbon Sc 05/08/2002 JMM

Xylenes, Total <20 <0.21 <0.048 20 Total Hydrocarbon Sc 05/08/2002 .MM

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NYC-WTC_000223190