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Analytical results for metals at M894 school, June 2002

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Laboratory report page showing analytical results for metal samples collected at the referenced school in late May or early June.

NYC-WTC_000175571–000175573
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Scanned page image, NYC-WTC_000175572
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NYC 9/11 Public Portal Document

Jun OG 02 01:42p PSC 610-921-96G7 p. o

ENVIRONMENTAL TESTING PSC AMALYTim INDUSTRIAL HYGIENE •EP/Wi/LW»IO1262-<l • NY DOHMELAC10903 •NJ DEP PA020 •AIHAACCREDITATIONNO. 100439 ■ PADEPtl6-353 •CTDPHPH-D238 •NCDENR599

Analytical Results for ATC Associates

WorkOrder: R02051023 Client Reference: 19125-0290, METALS

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (nig/m") ; (ppra) (us)

Client ID: ATC-0524-M894-M3 Lab ID: -03A Date Sampled; 5/24/2002 Matrix: Filler AirVoLflb): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 06104/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 06X54/2002 AJB Chromium 0.811 0.000675 0.2 N7300 MCE 06/04/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/04/2002 AJB Copper 0.285 0.000238 0.2 N7300 MCE 06/05/2002 AJB Iron 3.18 0.00265 2 N7300 MCE 06/04/2002 AJB Lead 0.317 0.000264 0.3 N7300 MCE 06/04/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/04/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 06/04/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 06/04/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 06/04/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 06/04/2002 AJB

Client ID: ATC-0524-M894-M4 Lab ID: -04A Date Sampled: 5/24/2002 Matrix; Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 06/04/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 06/04/2002 AJB Chromium 0.734 0.000612 0.2 N7300 MCE 06/04/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/04/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 06/05/2002 AJB Iron 2.23 0.00186 2 N7300 MCE 06/04/2002 AJB Lead 0.335 0.000279 0.3 N7300MCE 06/04/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/04/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 06/04/2002 /LIB Molybdenum <1.00 <0.000833 1 N730O MCE 06/04/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 06/04/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 06/04/2002 AJB

Page 2 of 3

CONFIDENTIAL, CITY_21MC100_003431683 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175572

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NYC-WTC_000175572Source: NYC Law Department, mirrored locally

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