NYC-WTC_000223194

NYC 9/11 Public Portal Document r - -J

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPAINVLAP101262-0 • NY OOWICtAC 10903 •NJOEP PAC2C • AIHAACCREDITATION NO. 100439 • PA DEP 06-353 • CTDPHPH.024e •NCDENR599

ANALYTICAL SERVICES Analytical Results for

ATC Associates WorkOrder: R02050426 Client Reference: 19125-0246

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

Client ID; VOC2 ATC-O5O8-STY Date Sampled: 5/8/02 Matrix: Charcoal Air Vol.(L): 90

1.1,1 -T richloroethane ^20 <0.21 <0.03B 20 Total Hydrocarbon Sc 05/12/2002 JMM 1.2-Dichloroethane <20 <0.21 <0.051 20 Total Hydrocarbon Sc 05/12/2002 JMM A Hydrocarbons. Total <20 <0.21 <0.059 20 Total Hydrocarbon Sc 05/12/2002 JWW Acetone <20 <0.21 <0.088 20 Total Hydrocarbon Sc 05/12/2002 JWM B Hydrocarbons. Total <20 <0.21 <0.055 20 Total Hydrocarbon Sc 05/12/2002 JMM

Benzene <20 <0.21 <0.065 20 Total Hydrocarbon Sc 05/12/2002 J MM Chlorobenzene <20 <0.21 <0.045 20 Total Hydrocarbon Sc 05/12/2002 JMM Chloroform <20 <0.21 <0.043 20 Total Hydrocarbon Sc 05/12/2002 J MM

Ethylbenzene <20 <0.21 <0.048 20 Total Hydrocarbon Sc 05/T2/2002 JMW Hexane <20 <0.21 <0.059 20 Total Hydrocarbon Sc 05/12/2002 JMM Isopropylbenzene <20 <0.21 <0.042 20 Total Hydrocarbon Sc 05/12/2002 JMM Methylene Chloride <20 <0.21 <0.060 20 Total Hydrocarbon Sc 05/12/2002 JMM

Pentane <20 <0.21 <0.071 20 Tolal Hydrocarbon Sc 05/12’2002 J MM

Styrene <20 <0.21 <0.049 20 Total Hydrocarbon Sc 05/12/2002 JMM Tetrachloroethene <20 <0.21 <0.031 20 Total Hydrocarbon Sc 05/12'2002 JMM Toluene <20 <0.21 <0.055 20 Total Hydrocarbon Sc 05/12/2002 J MM

Trlchloroethene <20 <0.21 <0.039 20 Total Hydrocarbon Sc 05/12/2002 JWM

Xylenes. Total <20 <0.21 <0.048 20 Total Hydrocarbon Sc 05/12'2002 JM.M

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NYC-WTC_000223195