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NYC-WTC_000226982

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NYC 9/11 Public Portal Document

Apr 09 02 09:05a PSC G10-921-9GG7 p. 5

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA/NVLAP101262-0 • NY DOHiNELAC 10903 ■ NJ DEP PA02O • AIHA ACCREDITATION NO. 100439 •PA DEP 06-353 • CT DPHPH-023B •NC DENR599 Analytical Results ANALYTICAL SERVICES for ATC Associates

WorkOrder; R0264O0O4 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (mg/m’) : (ppm) (ug) Client ID: M3 ATC-0327-STY (Zoo Lab ID: -OBA Date Sampled: 3/27/02 Matrix: Filter Air Vol.(L): 960

—Aluminum 2.87 0.00299 1 N7300 MCE ■ 04/07/2002 AJB Cadmium <0.200 <0.000208 0.2 N7300 MCE 04/07/2002 AJB ■—-ehromium - 0.767 0.000799-------- - 0.2 N7300 MCE 04/07/2002 AJB Cobalt <0.100 <0.000104 . 0.1 N73O0 MCE 04/07/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 04/07/2002 AJB Iron <2.00 <0.00208 2 N73O0 MCE 04/07/2002 AJB Lead <0.300 <0.000312 0.3 N73O0 MCE 04/07/2002 AJB Magnesium <1.30 <0.00135 1.3 N7300 MCE 04/07/2002 AJB Manganese <0.300 <0.000312 0.3 N7300 MCE 04/07/2002 AJB Molybdenum . <1.00 <0.00104 1 N7300 MCE 04/07/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 04/07/2002 AJB Zinc <0.500 <0.000521 0.5 N7300 MCE 04/D7/2002 AJB

Client ID; M4 ATC-0327-STY d-A Lab ID: ,-04A Date Sampled: 3/27/02 Matrix: Filter Air VoI.(L): NA -—-Aluminum 2.43' 1 N7300 MCE 04/07/2002 AJB Cadmium <0.200 0.2 N7300 MCE 04/07/2002 AJB __ Chromium 0.387- 0.2 N7300 MCE 04/07/2002 AJB Cobalt <0.100 0.1 N7300 MCE 04/07/2002 AJB Copper <0.200 0.2 N7300 MCE 04/07/2002 AJS Iron <2.00 2 N7300 MCE 04/07/2002 AJB Lead <0.300 0.3 N7300 MCE 04/07/2002 AJB Magnesium <1.30 1.3 N7300 MCE 04/07/2002 AJB Manganese <0.300 0.3 N7300 MCE 04/07/2002 AJB Molybdenum - <1.00 1 N7300 MCE 04/07/2002 AJB Nickel <0.200 0.2 N7300 MCE 04/07/2002 AJB Zinc <0.500 0.5 N7300 MCE 04/07/2002 AJB’

(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 chocked and showed no significant breakthrough.

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CITY_21MC100_002896963

NYC-WTC_000226983

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NYC-WTC_000226983Source: NYC Law Department, mirrored locally

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