NYC-WTC_000207954

NYC 9/11 Public Portal Document

Sep 23 02 03:37a PSC 610-021-3667 p. 10

PSC INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING SERVICES •EPAWLAP 101262-0 •NY DOH/NELAC 10903 • NJDEPPA020 • AIHA ACCREDITATION NO 100439 ■PADEP06-3S3 •CT OPH PH-0238 •NCDENR598 Analytical Results for

ATC Associates WorkOrder: R02090431 Client Reference: P.S. 124 M

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (rag/m-’) : (ppm) (“E) j/r r' -ii "V. Client ID: ATC-09I2-124M-M3 :: Lab ID: -03A Date Sampled: 9/12/02 Matrix: Filler Air Vol.(L): 1200 " ?0 I Aluminum <1.00 <0.000833 1 N7300 MCE 09/19/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 09/19/2002 AJB Chromium <0.200 <0.000167 0.2 N7300 MCE 09/19/2002 AJB Cobalt <0.100 <0.0000833 0.1 N73O0 MCE 09/19/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 09/19/2002 AJB Iron <2 00 <0.00167 2 N7300 MCE 09/19/2002 AJB Lead <0.300 <0 000250 0.3 N73O0 MCE 09/19/2002 AJB Magnesium <1.30 <0.00108 1.3 N73O0 MCE 09/19/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 09/19/2002 AJB Molybdenum <1.00 <0 000833 1 N7300 MCE 09/19/2002 AJB Nickel <0.200 <0 000167 0.2 N73O0 MCE 09/19/2002 AJB Zinc <0.500 <0.000417 0 5 N7300 MCE 09/19/2002 AJB

Client ID: ATC-0912-124M-M4 Lab ID: -04A Date Sampled: 9/12/02 Matrix: Filter Air Vfll.(L): NA

Aluminum <1.00 1 N7300 MCE 09/19/2002 AJB Cadmium <0.200 0.2 N7300 MCE 09/19/2002 AJB Chromium <0.200 0.2 N7300 MCE 09/19/2002 AJB Cobalt <0100 0.1 N7300 MCE 09/19/2002 AJB Copper <0.200 0.2 N7300 MCE 09/19/2002 AJB Iron <2 OO 2 N7300 MCE 09/19/2002 AJB Lead <0.300 0.3 N7300 MCE 09/19/2002 AJB Magnesium <1 30 1.3 N73D0 MCE 09/19/2002 AJB Manganese <0.300 0.3 N7300 MCE 09/19/2002 AJB Molybdenum <1.00 1 N7300 MCE 09/19/2002 AJB Nickel <0.200 0.2 N7300 MCE 09/19/2002 AJB Zinc <0.500 0.5 N730O MCE 09/19/2002 AJB

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NYC-WTC_000207955