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Industrial hygiene analytical results for HS M520, Sep 2002

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Analytical results page from PSC Analytical Services regarding industrial hygiene testing for school M520.

NYC-WTC_000175287–000175289
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NYC 9/11 Public Portal Document

Sep 17 02 09:503 PSC 610-921-3667 p. 13

ENVIRONMENTAL TESTING PSC AlhSAIOTIGM. INDUSTRIAL HYGIENE SEIRi^SS •EPAAIVLAP101262-0 •NY DOHMELAC 10903 •NJ DEP PA020 •AIHA ACCREDITATION NO. 100439 • PA OEP 06-353 •CT DPH PH.0238 •NC0ENR599 Analytical Results for ATC Associates WorkOrder: R02090386 Client Reference: Murry Bergtraum HS

Analyte Concentration Limit of Test Date Analyzed Detection Method /An.ilyst (ug) (mg/m’) 1 (ppm) (ug)

Client ID: ATC-0911-M520-M3 Lab ID: -03A Date Sampled: 9/11/2002 Matrix: Filter Air Vol.(L): 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 09/14/2002 AJB Cadmium <0.200 <0.000167 0.2 N73QO MCE 09/14/2002 AJB Chromium <0.200 <0.000167 0.2 N7300 MCE 09/14/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 09/14/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 09/14/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 09/14/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 09/14/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 09/14/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 09/14/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 09/14/2002 AJB Nickel <0.200 <0.000167 9-2 N7300 MCE 09/14/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 09/14/2002 AJB

Client ID: ATC-0911-M520.M4 Lab ID: -04A Date Sampled; 9/11/2002 Matrix: Killer Air Vol.(L): NA

Aluminum <1.00 1 N7300 MCE 09/14/2002 AJB Cadmium <0.200 0.2 N7300 MCE 09/14/2002 AJB •----- Chromium 0.460- 0.2 N7300 MCE 09/14/2002 AJB Cobalt <0.100 0.1 N73D0 MCE 09/14/2002 AJB Copper <0.200 0.2 N7300 MCE 09/14/2002 AJB Iron <2.00 2 N7300 MCE 09/14/2002 AJB Lead <0.300 0.3 N7300 MCE 09/14/2002 AJB Magnesium <1.30 1.3 N7300 MCE 09/14/2002 AJB Manganese <0.300 0.3 N7300 MCE 09/14/2002 AJB Molybdenunn <1.00 1 N7300 MCE 09/14/2002 AJB Nickel <0.200 0.2 N7300 MCE 09/14/2002 AJB Zinc <0.500 0.5 N7300 MCE 09/14/2002 AJB

Page 2 of 3

CONFIDENTIAL, CITY_21MC1OO_OO3422O21 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175288

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NYC-WTC_000175288Source: NYC Law Department, mirrored locally

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