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Dust analysis results, PS234M, February 2002

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Laboratory analytical results for dust samples collected at PS234M on February 21, 2002.

NYC-WTC_000177754–000177756
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NYC 9/11 Public Portal Document

Mar 04 02 03:26p PSC Analytical Services 6109219667 p. 15

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EP/VNVLAP 101262-0 •WDOWNELAC 10923 •NJOEP PA02C • AIHA ACCREDITATION NO. 100439 ' PA DEP 08-353 • CT DPH PH-0238 • NC DENR 599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02020S43 Client Reference; 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/nO) I (ppm) (ug) Clieiir ID: M3 ATC-022I-M89 Lab ID; -03A Date Sampled; 2/21/02 Matrix; Filter Air Vol,(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 03/03/2002 AiB Cadmium <0,200 <0.000167 0.2 N7300 MCE 03/03/2002 AJB Chromium 0.495 0.000413 0,2 N7300 MCE 03/03/2002 AJB Cobalt <0.100 <0.0000833 0.1 N73O0 MCE 03/Q3/20Q2 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 03/03/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 03/03/2002 AJB Lead 0.329 0.000274 0.3 N73O0 MCE 03/03/2002 AJB Magnesium <1.30 <0.00108 1.3 N73Q0 MCE 03/03/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 03/03/2002 AJ3 Molybdenum <1.00 <0.000833 1 N7300 MCE 03/03/2002 AJ3 Nickel <0.200 <0.000167 0.2 N73D0 MCE 03/03/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 03/03/2002 AJB

Client ID; M4 ATC-022I-M89 Lab ID: -04A Date Sampled: 2/2!.'02 Matrix: Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 03/03/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 03/03/2002 AJB Chromium 0.503 0.00041 S 0.2 N7300 MCE 03/03/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/03/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 03/03/2002 AJB

Iron <2.00 <0.00167 2 N7300 MCE 03/03/2002 Lead 0.302 0.000251 0.3 N7300 MCE 03/03/2002 AJB Magnesium <1.30 <0.00108 1.3 N73Q0 MCE 03/03/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 03/03/2002 AJB Molybdenum <1.00 <0.000833 N7300 MCE 03/03/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 03/03/2002 AJE Zinc <0.500 <0.000417 0.5 N73OD MCE 03/03/2002 AJB

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I

CONFIDENTIAL, CITY_21MC100_003474349

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177755

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NYC-WTC_000177755Source: NYC Law Department, mirrored locally

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