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NYC-WTC_000196479

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000196479–000196480
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NYC 9/11 Public Portal Document

PSC flnalatical Services 6109219667 P- 4 Dec 21 QI 11:083

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPANVLAP101262-0 ■ NY DOPVNELAC10303 ■ NJ DEP 77020 •AIHAACCREDITATIONNO. 100439 •PA DEP 06-353 •CT DPHPH-023B •NCDENR539

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: ROl120282 Client Reference: 19125-0246: Metals & Mercury in Air (12/1

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (rag/nF) ; (ppm) Ies) Client ID: ATC-1213-STY-.M3, Roof LablD: .03A Date Sampled: 12/13/01 Matrix: Filter AirVol.(L): 1002 Auminum <1 <0.000998 1 NIOSH Metals 12/20/2001 AJB Cadmium <0.2 <0.000200 0.2 NIOSH Metals 12/20/2001 AJB Chromium <0,2 <0.000200 0.2 NIOSH Metals 12/20/2001 AJB Cobalt - <0.1 <0.0000998 0.1 NIOSH Metals 12/20/2001 AJB Copper <0.2 <0.000200 0.2 NIOSH Metals 12/20/2001 AJB Iron <2 <0.00200 2 NIOSH Metals 12/20/2001 AJB Magnesium <1.3 <0,00130 1.3 NIOSH Metals 12/20/2001 AJB I Manganese <0,3 <0.000299 0.3 NIOSH Metals 12/20/2001 FJB Molybdenum <1 <0.000998 1 NIOSH Metals 12/20/2001 AJB Nickel <0,2 <0.000200 0.2 NIOSH Metals 12/20/2001 AJB Zinc <0.5 <0.000499 0.5 NIOSH Metals 12/20/2001 AJB

Client ID: ATC-1213-STY-M3, Roof Lab ID: -03B Date Sampled: 12/13/01 Matrix: Charcoal AirVol.{L); 100 Mercury 0.03 0.000300 0.01 MERCURY IN AIR 12/2012001 JDC

Client IO; ATC-12I3-STY-M4, Blank LabJD:-04.A Date Sampled: 12/13/01 Matrix: Filter Air Vol.(L): NA Aluminum <1 1 NIOSH Metals 12/20/2001 AJB Cadmium <0.2 0.2 NIOSH ^totals 12/20/2001 AJB Chromium <0.2 0.2 NIOSH Metals 12/20/2001 AJB Cobalt <0.1 0.1 NIOSH Metals 12/20/2001 AJB Copper <0.2 0.2 NIOSH Metals 12/20/2001 AJB Irort <2 2 NIOSH Metals 12/20/2001 AJB Magnesium <1.3 1.3 NIOSH Metals 12/20/2001 AJB Manganese <0.3 0.3 NIOSH Metals 12/20/2001 AJB Molybdenum <1 1 NIOSH Metals 12/20/2001 AJB Nickel <0.2 0.2 NIOSH Metals 12/20/2001 AJB Zinc <0.5 0.5 NIOSH Metals 12/20/2001 AJB

Client ID: ATC-1213-STY-M4, Blank LablD: -04B Date Sampled: 12/13/01 Matrix: Charcoal Air Vol.(L): NA Mercury 0.026 0.01 MERCURY IN AIR 12/20/2001 JDC (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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NYC-WTC_000196480Source: NYC Law Department, mirrored locally

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