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Analytical results for ATC Associates work order R02090493

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Laboratory analytical results sheet from PSC Analytical Services for environmental testing samples submitted by ATC Associates.

NYC-WTC_000175520
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INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING FSC • EPMWtAP 101262.0 -NY DOHINELAC10803 • NJDEPPA020 ■AIHAACCREDITATIONNO 100439 -PADEPOS-SSS ■ CT DPH PH-0238 'NCDENR699 Analytical Results for ATC Associates WorkOrdcr: R02090493 Client Reference: 19125-0350

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) i (mg/m’) . (ppm) (ual Client ID: ATC-0913-124M-Dusi LablD: -OIA Date Sampled: 9/13/2(M)2 Matrix; AirVol.(L): 14400 Total Particulate Matter <50,0 <0,00347 60 N0500 09/16/2002 TEN

(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. Sack sections were checked and showed no significant breakthrough.

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CONFIDENTIAL, CITY_21MC1OO_OO3431362 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175520

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NYC-WTC_000175520Source: NYC Law Department, mirrored locally

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