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OSHA aromatic hydrocarbon monitoring chain of custody, Oct 2001

Machine-extracted title · confidence 95%

Chain-of-custody documentation for OSHA monitoring results regarding aromatic hydrocarbons at the World Trade Center site.

NYC-WTC_000176306–000176334
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NYC 9/11 Public Portal Document

Analytical Results for ATC ASSOCIATES WorkOrder; ROl110208 Client Reference: WTC, 17494-0139, Rush IH /

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug); y (Ppin) (ug) ,/ Client ID: 02,J-B- ATC 11-10 Lab ID: -05A Dale Sampled: 11/10/01 Matrix: Chatcoal Air Vol.(L): 44.28 (/ /Benzene <20 <0.45 <0.14 20 VOLATILE AROM 11/14/2001 ANY / Ethylbenzene <20 <0.45 <0.10 20 VOLATILE AROM 11/14/2001 ANY Toluene <20 <0.45 <0.12 20 VOLATILE AROM 11/14/2001 ANY Xylenes, Total <20 <0.45 <0.10 20 VOLATILE AROM 11/14/2001- ANY

Client W: Blank 01, ATC 1 MO Lab ID: -06A Date Sampled: Matrix: Charcoal Vol.(L): NA Benzene <20 20 VOLATILE AROM 11/14/2001 ANY Ethylbenzene <20 20 VOLATILE AROM 11/14/2001 ANY Toluene; <20 20 VOLATILE AROM 11/14/2001 ANY Xylenes, Total <20 20 VOLATILE AROM 11/14/2001 ANY (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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CONFIDENTIAL, CITY_21MC100_007916517 SUBJECT TO PROTECTIVE ORDER NO. SEPT. 2008

NYC-WTC_000176330

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NYC-WTC_000176330Source: NYC Law Department, mirrored locally

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