NYC-WTC_000221461

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPAINVLAP 10:262-0 • NX IXJHMELAC10903 •NJOEP PA02D •AIHAACCREDITATION NO. 100439 • PA DEP 06353 •CT DPH PH-0238 •NCDENR699

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02040881 Client Reference: 19125-0297, Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) : (mg/nP) : (ppm) (ug) Client ID: ATC-041S-S5M-M1 Lab ID: -01A Date Sampled: 4/18/02 Matrix: Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 04/29/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 04/29/2002 AJB Chromium 0.446 0.000371 0.2 N7300 MCE 04/29/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 04/29/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/29/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 04/29/2002 /\J6 Lead 0.374 0.000311 0.3 N7300 MCE 04/29/2002 AJB Magnesium <1.30 <0.00106 1.3 N7300 MCE 04/29/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/29/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/29/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/29/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/29/2002 AJB

Client ID: ATC-0418-89M-M2 Lab ID: -02A Date Sampled: 4/18/02 Matrix: Filter AirVol.(L): 1200 /Muminum <1.00 <0.000833 1 N7300 MCE 04/30/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Chromium 0.576 0.000480 0.2 N7300 MCE 04/30/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 04/30/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 04/30/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 04/30/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/30/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/30/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/30/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/30/2002 AJB

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NYC-WTC_000221461