NYC-WTC_000197657

NYC 9/11 Public Portal Document

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INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAINVLAP 101262-0 • NY DOHAIELAC 10903 •NJ DEP PA02C •AIHAACCREDITATIONNO. 100-139 ■PA DEP 05-353 • CT DPH PH-0238 •NC DENR 599

ANAJ.YTIC.M. SERVICES Analytical Results for ATC Associates WorkOrder: R02O50241 Client Reference; 19125-0246, Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) I (ppm) (ug)

Client ID: ATC-0501-STY-MI Lab ID: -01A Date Sampled: 5/1/2002 Matrix: Filter Air Vol.(L): 960 r? * I Aluminum <1.00 <0.00104 1 N7300 MCE 05/15/2002 AJB Cadmium <0.200 <0.000208 0.2 N73O0 MCE 05/15/2002 AJB ■Chromium 0.469 0.000489-''" 0.2 N7300 MCE 05/15/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 06/15/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 05/15/2002 AJB -----Iron 3.17 0.00330 2 N7300 MCE 05/15/2002 AJB —-Lead 0.359 0.000374 0.3 N7300 MCE 05/15/2002 AJB Magnesium <1.30 <0.00135 1.3 N7300 MCE 05/15/2002 AJB Manganese <0.300 <0.000312 0.3 N730O MCE 05/15/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 05/15/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 05/16/2002 AJB Zinc <0.500 <0.000521 0.5 N7300 MCE 05/15/2002 AJB

ClientlD: ATC-0501-STY-M2, 4 .'tab ID: -02A Date Sampled: 5/1/2002 Matrix: Filter Air Vol,(L): 960

Aluminum <1.00 <0.00104 1 N7300 MCE 05/15/2002 AJB Cadmium <0.200 <0.000208 0.2 N7300 MCE 05/15/20C2 AJB Chromium 0.530 0.000552 0.2 N7300 MCE 05/15/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 05/15/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 05/15/2002 AJB Iron 5.43 0.00566 2 N7300 MCE 05/15/2002 AJB Lead 0.340 0.000354 - 0.3 N7300 MCE 05/15/2002 AJB Magnesium <1.30 <0.00135 1.3 N73O0 MCE 05/15/2002 AJB Manganese <0.300 <0.000312 0.3 • N7300 MCE 05/15/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 05/15/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 05/15/2002 AJB Zinc <0.500 <0.000521 0.5 N7300 MCE 05/15/2002 AJB

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NYC-WTC_000197657