NYC-WTC_000223194

NYC 9/11 Public Portal Document 1 OOO i h- • “

F’SC INDUSTRIAL HYGIENE • EPA/NVLAP1012824) • AIHA ACCREDITATION NO. 100439 •NC0ENRS99 ENVIRONMENTAL TESTING • NY DOH/NElAC 10903 •PADEP06-3S3 • NJ DEP PAC20 • CT DPH Pl+0238

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: RO205O426 Client Reference: 19125-0246 Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst («g) ; (mg/m’) ; (ppm) : (uel Client ID: V0C3 ATC-0508-STY .. ED: -03A Date Sampled: 5/8/02 Matrix; Charcoal Air Vol.(L): 96

1,1,1 -Trichloroethane ' <20 <0.21 <0.038 20 Total Hydrocarbon Sc 05/12/2002 JMM 1.2-Dichloroe thane <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 JMM Acetone <20 <0.21 <0.008 20 Total Hydrocarbon Sc 05/12/2002 JMM 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 JMM 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 JMM Ethylbenzene <20 <0.21 <0.048 20 Total Hydrocarbon Sc 05/12/2002 JMM 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 JWM

Methylene Chloride <20 <0.21 <0.060 20 Total Hydrocarbon Sc 05/12/2002 JMM

Pentane <20 <0.21 <0.071 20 Total Hydrocarbon Sc 05/12/2002 JMM

Styrene <20 <0.21 <0.049 20 Total Hydrocarbon Sc 05/12'2002 JMM

Tetrachlonsethene <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 JMM

Trichloroethene <20 <0.21 <0.039 20 Total Hydrocarbon Sc 05/12/2002 JMM

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

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NYC-WTC_000223196