NYC-WTC_000223190

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA/NVLAP101262-0 ‘NY DOHjNELAC 10903 • NJ CEP PA020 • AIHAACCREOITATION NO. 100439 • PA DEP 06-353 •CTDPH PH-0238 •NCDENR589

ANALYTICAL SERVICES Analytical Results for

ATC Associates

WorkOrder: R02050246 Client Reference: 19125-0246, VOC

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (mg/m’) 1 (ppm) (ug) Client ID; VOC2 ATC-0501 -STY Lab ID: -02A Date Sampled: 5/1/02 Matrix: Charcoal Air V'ol.(L); 96

1,1.1 -T richloroethane <20 <0.21 <0.038 20 Total Hydrocarbon Sc 05/08/2002 JMM 1,2-Oichloroettiane <20 <0.21 <0.051 20 Total Hydrocarbon Sc 05/08/2002 J MM A Hydrocarbons. Total <20 <0.21 <0.059 20 Total Hydrocarbon Sc 05/08j'20C2 JMM Acetone <20 <0.21 <0.088 20 Total Hydrocarbon Sc 05/08/2002 JWM B Hydrocarbons, Total <20 <0.21 <0.055 20 ToUI Hydrocarbon Sc 05/06/2002 JMM Benzene <20 <0.21 <0.065 20 Total Hydrocarbon Sc 05/08/2002 JMM 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 05/08/2032 .J MM 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 Tetrach loroelhene <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 TricNoroethene <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 JMM

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NYC-WTC_000223191