NYC-WTC_000189375

NYC 9/11 Public Portal Document Mar 07 02 01:24p PSC Rnalytical Services 6109213667 p. 12

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EP/VNVLAP 101262-0 -NY DOHAIELAC 10503 •NJ DEP PAD20 • AIHAACCREDITATION NO. I0043B -PA DEP<!&3E3 • CT0PHPH-D238 •NC DENR 659

ANALYTICAB SERVICES Analytical Results for ATC Associates WorkOrder: R02030174 Client Reference; 19125-0290

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

Client ID: VOCl ATC-0301-M894 Lab ID: -OlA Date Sampled: 3/1,'02 Matrix: Charcoal AlrVoUL); 120 1,1,1-Trichloroethane <20 <0.17 <0.031 20 Total Hydrocarboti Sc 03/06/2002 JMM 1,2-Dichloroethane <20 <0.17 <0.041 20 Total Hydrocarbon Sc 03/06/2002 JMM A Hydrocarbons, Total <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/06/2002 JMM Acetone <20 <0.17 <0.070 20 Total Hydrocarbon Sc 03/06/2002 JMM B Hydrocarbons, Total <20 <0,17 <0.044 20 Total Hydrocarbon Sc 03/06/2002 JMM Benzene <20 <0,17 <0.052 20 Total Hydrocarbon Sc 03/06/2002 JMM Chlorobenzene <20 <0.17 <0.036 20 Total Hydrocarbon Sc 03/06/2002 JMM Chloroform <20 <0.17 <0.034 20 Total Hydrocarbon Sc 03/06/2002 JMM Ethyl benzene <20 <0.17 <0.038 20 Total Hydrocarbon Sc 03/06/2002 JMM Hexane <20 <0.17 <0.047 20 Total Hydrocarbon Sc 03/06/2002 JMM Isopropylbenzene <20 <0.17 <0.034 20 Total Hydrocarbon Sc 03/06/2002 JMM Methylene Chloride <20 <0.17 <0.048 20 Total Hydrocarbon Sc 03/06/2002 JMM Penlane <20 <0-17 <0.056 20 Total Hydrocarbon Sc 03/06/2002 JMM Styrene <20 <0.17 <0.039 20 Total Hydrocarbon Sc 03/06/2002 JMM Tetra chloroethene <20 <0.17 <0.025 20 Total Hydrocarbon Sc 03/06/2002 JMM Toluene <20 <0.17 <0.044 20 Total Hydrocarbon Sc 03/06/2002 JMM Trichloroethene <20 <0.17 <0.031 20 Total Hydrocarbon Sc 03/06/2002 JMM Xylenes, Total <20 <0.17 <0.038 20 Total Hydrocarbon Sc 03/06/2002 JMM

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NYC-WTC_000189375