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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 20 02 09:20a PSC Bia-gPl-9667 p-1

ENVIRONMENTAL TESTING FSC AMASaVinCAL INDUSTRIAL HYGIENE • EPAINVIAP 101262-0 ■ NY DOHAIELAC10903 •NJDEP PA320 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 ■ CTDPHP1M23B •NCDENR599 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) (US)

Client ID: ATC-0607-M894.M1 Lab ID: -01A Date Sampled: 6/7/02 Matrix: Filter Air Vol.(L): 1200

Aluminum <1,00 <0.000833 1 N73O0 MCE 06/19/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 Aje Ch!-omium 0.334'^ 0.000279 0.2 N7300 MCE 06/19/2002 AJB CoDalt <0.100 <0.0000833 0.1 N7300 MCE 06/19/2002 AJB Copper <0.200 <0.000167 0.2 N730D 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 N730Q 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-M2 Lab ID; -02A Date Sampled: 6/7/02 Matrix: Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N73D0 MCE 06/19/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 06/19/2002 AJB Chromium 0.434 / 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 Oei/19/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 06/19/2002 AJB Lead <0.300 <0.000250 0.3 N73O0 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 N73OO MCE 06/19/2002 AJB 2tinc <0.500 <0.000417 0.5 N7300 MCE 06/19/2002 AJB

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CONFIDENTIAL, CITY_21MC100_003431690 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175574

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NYC-WTC_000175574Source: NYC Law Department, mirrored locally

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