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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

Maw 27 01 ai:05p PSC Rnalytical Services 6109219667 P.a

I Analytical Results for ATC ASSOCIATES WorkOrder: ROl 110085 Client Reference: WTC, 15-17494-0139, Rush IH

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (“B)r (“g/™’) T (ppm) («g) Client ID- KF B 03, 11 04 Lab ID: -ISA Date Sampled: 11/4/01 Matrix: Charcoal AirVol.(L): 50.96 Benzene <20 <0.39 <0.12 20 VOLATILE AROM 11/06/2001 ANY Ethylbenzene <20 <0.39 <0.090 20 VOLATILE AROM 11/06/2001 ANY Toluene <20 <0.39 <0.10 20 VOLATILE AROM 11/06/2001 ANY Xylenes, Total <20 <0.39 <0.090 20 VOLATILE AROM 11/06/2001 ANY

Client ID: CD TU 02, 11-04 Lab ID: -IdA Date Sampled; 11/4/01 Matrix: Charcoal AirVol.(L): 51.3S Benzene <20 <0.39 <0.12 20 VOLATILE AROM 11/06/2001 ANY Ethylbenzene <20 <0.39 <0.090 20 VOLATILE AROM ,11/06/2001 ANY Toluene <20 <0.39 <0.10 20 VOLATILE AROM 11/06/2001 ANY Xylenes, T otal <20 <0,39 <0.090 20 VOLATILE AROM 11/06/2001 ANY , / Client ID; Blank 01. 11-04 Lab ID: -17A Date Sampled: li/4/OI Matrix: Charcoal AirVol.(L): NA Benzene <20 20 VOLATILE AROM 11f06/2001 ANY Ethylbenzene <20 20 VOLATILE AROM 11/06/2001 ANY Toluene <20 20 VOLATILE AROM 11/06/2001 ANY Xylenes, Total <20 20 VOLATILE AROM 11/06/2001 ANY

CONFIDENTIAL, CITY_21MC100_007916506 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000176319

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NYC-WTC_000176319Source: NYC Law Department, mirrored locally

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