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Analytical results for air samples at M894 school, June 2002

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Laboratory report page showing analytical results for air samples collected at the referenced school in early June 2002.

NYC-WTC_000175574–000175576
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NYC 9/11 Public Portal Document

Jun £!0 02 03:20a PSC 610-921-3007 P- a

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING FSC SERVICES • EPAWLAP 101262-0 • NY DOHNELAC10903 •NJ0EPPA020 • AIHAACCREOITATION NO. 100439 • PA OEP 06-353 •CTOPHPH-02M ■NCDENH599 Analytical Results for ATC Associates WorkOrder; R02060421 Client Reference: 19125-0290, Dust

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (Ug) ; (mg/m') ;■ (ppm) (ug)

Client ID: ATO0607-M894-M3 LaijlD: -03 A Date Sampled: 6/7/02 Matrix: Filter AirVol,(L): 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 06/19/2002 AJB CadiTiium <0.200 <0.000167 0.2 N73Q0 MCE 06/19/2002 AJB Chromium 0.353 ■ 0.000294 0.2 N7300 MCE 06/19/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/19/2002 AJ6 Copper <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 06/19/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 06/19/2002 AJ0 Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/19/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 06/19/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 06/19/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 06/19/2002 AJB

Client ID; ATC-0607-M894-M4 Lab ID: -04A Date Sampled:6/7/02 Matrix: Filter AirVol,(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 06/19/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Chromium 0.434 y 0.000362 0.2 N7300 MCE 06/19/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/19/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 06/19/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 06/19/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/19/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 06/19/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 06/19/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 06/19/2002 AJB

Page 2 of 3

CONFIDENTIAL, CITY_21MC100_003431691 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175575

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NYC-WTC_000175575Source: NYC Law Department, mirrored locally

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