NYC-WTC_000202422

NYC 9/11 Public Portal Document

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AmtOCAL INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPAPA-(W136 •NY DOH/NB-AC 10908 •M1DEPPM20 Ml a Battewfii. pifte, PA 1 seas ■AlHAADCKHJITATiaNNO. 100439 •PADtP 00-333 •CTDPHPH-023B (Fax* tio-sai-sesr •NGDENR599 Certificate of Analytical Results for ATC Associates WorkOrder: R02120739 Client Reference; 15-19125-0289

Aoalyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (mg/m^) ! (PP*”) (we)

Client ID: ATC-1224-)5OM-M1 Dab ID; -OlA Date Sampled: 12/24/200 Matrix: Filter AirVol,(L): 1200 AlUtnirtum <1.00 CO.000033 1 N7300 MCE 12/31/2002 AJB Cadmium <0.200 eO.COD167 0.2 N7300 MCE 12/31/2002 AJE Chromium 0.471 0.000393 0.2 N7300MCE 12/31/2002 AJB Cobalt <0,100 <0.0000833 0.1 N7300 MCE 12/31/2002 AJB Copper <0,200 <0.000167 0.2 N730Q MCE 12/31/2002 AJB Iron <2,00 <0.00167 2 N7300 MCE 12/31/2002 AJB IpeH <0,300 <0.000250 0.3 N7300 MCE 12/31/2002 AJB Magnesium <1.30 <0.00108 1.3 N730OMCE 12/31/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 12/31/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 12/31/2002 AJB Nickel <0.200 <0,000167 0.2 N7300 MCE 12/31/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 01/02/2003 AJB

Client ID: ATC-1224-150M-M2 Lab ID: -02A Date Sampled: 12/24/200 Matrix: Filter Air Vol.(L): 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 12/31/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 12/31/2002 AJB Chramium 0.54S 0.000455 0.2 N7300 MCE 12/31/2002 AJB Cobalt <0.100 <0 0000833 0.1 N7300 MCE 12/31/2002 AJB Copper <0,200 <0.000107 02 N7300MCE 12/31/2002 AJB Iron <2.00 <0,00167 2 N7300 MCE 12/31/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 12/31/2002 AJB Magnesium <1,30 <0,00106 1.3 N7300 MCE 12/31/2002 AJB Manganese <0,300 <0.000250 0,3 N7300MCE 12/31/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 12/31/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 12/31/2002 AJB Zinc <0.500 <0,000417 0.5 N7300 MCE 01/02/2003 AJB

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