NYC-WTC_000199101

NYC 9/11 Public Portal Document I i|-. kJ o . kJ kJ a o1u-oc X-aoD / f'- '

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EP/VNVLAP 101262-0 ■ NY DOHfl/ELAC 10903 •NJDEPPA020 ■ AIHA ACCREDITATION NO. 100439 • PA DEP 06353 ■CTOPHPH.Q23a ‘NC0ENR599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02040268 Client Reference: 19125-0279

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) ; (ppm) (ag) Client ID: V0C4 ATC-0402-234M P o? Lab ID: -04A Date Sampled: 4/2/02 Matrix: Charcoal Air Vol.(L): 120 1.1.1 -Tricliloroethane <20 <0.17 <0.031 20 Total Hydrocartwn Sc 04/06/2002 JMM 1,2-Dichloroethane <20 <0.17 <0.041 20 Total Hydrocarbon Sc 04/06/2002 JMM A Hydrocarbons. Total <20 <0.17 <0.047 20 Total Hydrocarbon Sc 04/06/2002 JMM '^Acetone 120 1.0 Co42- 20 Total Hydrocarbon Sc 04/06/2002 JMM B Hydrocarbons, Total <20 <0,17 <0.044 20 Total Hydrocarbon Sc 04/06/2002 JMM Benzene <20 <0.17 <0.052 20 Total Hydrocarbon Sc 04/06/2002 JMM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 04/06/2002 JMM Chloroforrn <20 <0.17 <0.034 20 Total Hydrocarbon Sc 04/06/2002 JMM Ethylbenzene <20 <0.17 <0.038 20 Total Hydrocarbon Sc 04/06/2002 JMM •—Hexane 29 0.24 0.069 ' 20 Total Hydrocarbon Sc 04/06/2002 JMM Isopropylbenzene <20 <0.17 <0.034 20 Total Hydrocarbon Sc 04/06/2002 JMM Methylene Chloride <20 <0.17 <0.048 20 Total Hydrocarbon Sc 04/06/2002 JMM Pentane <20 <0.17 <0.056 20 ' Total Hydrocarbon Sc 04/06/2002 JMM Styrene <20 <0.17 <0.039 20 Total Hydrocarbon Sc 04/06/2002 JMM Tetrachloroethene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 04/06/2002 JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 04/06/2002 JMM Trichloroethene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 04/06/2002 JMM Xylenes, Total <20 <0.17 <0.038 20 Total Hydrocarbon Sc 04/06/2002 JMM

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NYC-WTC_000199104