NYC-WTC_000202230

NYC 9/11 Public Portal Document

Apr- 29 02 01:39p PSC Bl 0-921-9GG7 p. 12

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■ EPA/NVLAP 101262-0 ■ NY DOHINELAC 10903 ■NJ DEP PAO20 •AIHA ACCREDITATION NO. 100439 -PA DEP 06-353 ■ CT DPH PH-0238 •NO DENR 599

ANALYTICAJL SERA/ICES Analytical Results for ATC Associates WorkOrder: R0204O671 Client Reference: 19125-0297, VOC

Analyte Concentration Limit of Test Date Analyzed Detection .Method /Analyst (ug) : (mg/n?) : (ppm) (ug) Client ID: VOCI ATC-O4I8~89M LablD:-0lA Date Sampled: 4/18/02 Matrix: Charcoal AirVol.(L): 120 1,1,1-Trichloroethane <20 <0.17 <0.031 20 Total Hydrocarbon Sc 04/26/2002 J MM 1,2-Dichloroe thane <20 <0.17 <0.041 20 Total Hydrocarbon Sc 04/26/2002 J MM A Hydrocarbons, Total <20 <0.17 <0.047 20 Total Hydrocarbon Sc 04/26/2002 J MM Acetone <20 <0.17 <0.070 20 Total Hydrocarbon Sc 04/26/2002 J MM B Hydrocarbons, Total <20 <0.17 <0.044 20 Total Hydrocarbon Sc 04/26/2002 J MU Benzene <20 <0.17 <0.052 20 Total Hydrocarbon Sc 04/26/2002 JMM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 04/26/2002 JMM Chloroform <20 <0.17 <0.034 20 Total Hydrocarbon Sc 04726/2002 JMM Ethylbenzene <20 <0.17 <0.038 20 Total Hydrocarbon Sc 04726/2002 JMM . Hexane <20 <0.17 <0.047 20 Total Hydrocarbon Sc 04726/2002 JMM Isopropylbenzene <20 <0.17 <0,034 20 . Total Hydrocarbon Sc 04/26/2002 JMM Methylene Chloride <20 <0.17 <0.048 20 Total Hydrocarbon Sc 04/26/2002 JMM Pentane <20 <0.17 <0.056 20 Total Hydrocarbon Sc 04/26/2002 JMM Styrene <20 <0,17 <0.039 20 Total Hydrocarbon Sc 04/26/2002 JMM Tetrachloroethene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 04/26/2002 JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 04/26/2002 JMM Trichloroethene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 04/2672002 JMM Xylenes, Total <20 <0.17 <0.038 20 Total Hydrocarbon Sc 04/2672002 JMM

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CITY_21MC100_003271090

NYC-WTC_000202230