NYC-WTC_000228299

NYC 9/11 Public Portal Document i-bL. Mnaiyticai services t) i uac: 1 abt> / p. red 1a ud i i :bua

r’SCZ INDUSTRIAL HYGIENE •EPAMVLAP101262-0 • AIHA ACCREDITATION NO. 100436 •NCDENR599 ENVIRONMENTAL TESTING • NY DOHWELAC 10903 •PADEP06-3S3 •hL’OEP 77020 •CT0PHPH-023e

Analytical Results ANAL YTICAL SERVICES for ATC Associates WorkOrder: R02020380 Client Reference: 19125-0297

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

Client ID: VOC5 ATC-0207-89M Lab ID: -05A Date Sampled: 2/7/02 Matrix: Charcoal Air Vol.(L): NA 1,1,1 -Trichloroe thane <20 20 OSHA7 02/13/2002 J MM 1,2-Dichlorosthane <20 20 OSHA7 02/13/2002 JMM A Hydrocarbons, Total <20 20 OSHA7 02/13/2002 JMM Acetone <20 20 OSHA 7 02/13/2002 JMM B Hydrocarbons, Total <20 20 OSHA 7 02/13/2002 JMM Benzene <20 20 OSHA 7 02/13/2002 JMM Chlorobanaene <20 20 OSHA 7 02/13/2002 JMM Chloroform <20 20 OSHA 7 02/13/2002 JMM Ethylbenzene <20 20 OSHA 7 02/13/2002 JMM Hexane <20 20 OSHA 7 02/13/2002 JMM Isopropylbenzene <20 20 OSHA 7 02/13/2002 JMM Methylene Chloride <20 20 OSHA 7 02/13/2002 JMM Pentane <20 20 OSHA 7 02/13/2002 JMM Styrene <20 20 OSHA 7 02/13/2002 JMM Tetrachloroethene <20 20 OSHA 7 02^'13/2002 JMM Toluene <20 20 OSHA 7 02/13/2002 JMM Trichloroethene <20 20 OSHA 7 02/13/2002 JMM Xylenes, Total <20 20 OSHA 7 , 02/13/2002 JMM

(a) Analysis indicates possible breakthrough; back section result is greater than % of the front section result.

General Notes: <: Less than the indicated limit of detection (LOD). -. Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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