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NYC-WTC_000226963

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NYC 9/11 Public Portal Document

Mar 05 02 03:00p PSC Rnalytical Services 6103219G67 P-4

F’SC INDUSTRIAL HYGIENE •EPWWLAP 101262-(l • AIHA ACCREDITATION NO. 100439 •NCDENR599 ENVIRONMENTAL TESTING ’NY DOHMELAC 10903 ■ PA DEP 06-353 •NJDEP PA020 •CT OPH PH-023B

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02030047 Client Reference: 19125-0246, Mercury in Air

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (mg/m’) ; (ppm) (ug) Client ID: ATC-0227-StY-Hg 1 Lab ID: -01A Date Sampled: 2/27/02 Matrix: HTBE Air V ol.(L): 90 Mercury 0.0290 0.000302 0.01 N6009M 03/05/2002 J DC MffiA tfA4/T?/4te. I

Client ID: ATC-0227-STY-Hg 2 Lab ID: -02A Date Sampled: 2/27/02 Matrix: HTBE Air Vol.{L): 96 Mercury 0.0310 0.000323 0.01 N6009M 03/05/2002 JDC

Client ID: ATC-0227-STY-Hg 3 Lab ID: -03A Date Sampled: 2/27/02 ■Matrix: HTBE Air Vol.(L): 96 •j Mercury 0.0270 0.000281 0.01 N6009M 03/05/2002 JDC.

Client ID: ATC-0227-STY-Hg 4, Blank ' Lab ID: -04A Date Sampled: 2/27/02 Matrix: HTBE AirVoI.(L): NA Mercury 0.0260 0.01 N6009M 03/05/2002 JDC (7 4; (a) Analysis indicates possible breakthrough; back section result is greater than 0% 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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NYC-WTC_000226963Source: NYC Law Department, mirrored locally

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