NYC-WTC_000227060

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPA/NVIAP101262-0 .NY DOHAIELAC10903 • NJDEP PA020 • AIHA.ACCREDITATIONNO. 100439 • PA DEP 06-363 • CT DPH PH-0238 •NCDENR 599 Analytical Results ANALYTICAL SERVICES for ATC Associates WorkOitler: R02040382 Client Reference: 19125-0291, VOCs

Analyte Concentration Limit of lest Date Analyzed Detection Method /Analyst (ug) : (mg/ni’) ; (ppm) (tg) Client II): VOC5 ATC-O4O6-M833 Lab ID: -OSA Date Sampled: 4/6/02 Matrix: Charcoal Air Vol.(L): NA

1,1,1-Trichloroe thane <20 20 Total Hydrocarbon Sc 04/10/2002 JMM 1.2-Dlchloroe thane <20 20 Total Hydrocarbon Sc 04/10/2002 JMM A Hydrocarbons, Total <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Acetone <20 20 Total Hydrocarbon Sc 04/10/2002 JMM B Hydrocarbons. Total <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Benzene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Chlorobenzene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Chloroform <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Ethylbenzene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Hexane <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Isopropylbenzene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Methylene Chloride <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Pentane <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Styrene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Tetrachloroethene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Toluene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Trichloroethene <20 20 Total Hydrocarbon Sc 04/10/2002 JMM Xylenes, Total <20 20 Total Hydrocarbon Sc 04/10/2002 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 (LOI)). Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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