NYC-WTC_000219835

NYC 9/11 Public Portal Document

F’sc: INDUSTRIAL HYGIENE • EPANVIAP101282-C • AIHA ACCREDITATION NO. 100439 ‘NCDENR599 ENVIRONMENTAL TESTING •NY DOHINELAC10903 • PA OEP 06-353 •NJDEP PAC20 •CTDPHPHD238

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02030495 Client Reference: 19125-0291

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m^) ; (ppm) («g)

Client ID; Ml ATC-0309.M833 Lab ID: -01A Date Sampled: 3/9/02 Matrix: Filter Air Vol.(L); 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 03/13/2002 TH Cadmium <0.200 <0.000167 0.2 N7300 MCE 03/13/2002 TH Chromium 0.394 0.000328 0.2 N7300 MCE 03'13/2002 TH Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/13/2002 TH Copper <0.200 <0.000167 0.2 N73OO MCE 03/13/2002 TH Iron <2.00 <0.00167 2 N73OO MCE 03/13/2002 TH Magnesium <1.30 <0.00108 1.3 N73OO MCE 03/13/2002 TH Manganese <0.300 <0.000250 0.3 N730O MCE 03/13/2002 TH Molybdenum <1.00 <0.000833 1 N7300 MCE 03/13/2002 TH Nickel <0.200 <0.000167 0.2 N7300 MCE 03/13/2002 TH Zinc <0.500 <0.000417 0.5 N7300 MCE 03/13/2002 TH

Client ID: M2 ATC-O309-M833 Lab ID: -02A Date Sampled: 3/9/02 Matrix: Filter Air Vol.(L); 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 03/13/2002 TH Cadmium <0.200 <0.000167 0.2 N7300 MCE 03/13/2002 TH ____ Chromium 0.296 0.000247 0.2 N7300 MCE 03/13/2002 TH Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/13/2002 TH Copper <0.200 <0.000167 0.2 N7300 MCE 03/13/2002 TH iron <2.00 <0.00167 2 N7300 MCE 03/13/2002 TH Magnesium <1.30 <0.00108 1,3 N7300 MCE 03/13/2002 TH Manoanese <0,300 <0.000250 0.3 N7300 MCE 03/13/2002 TH Molybdenum <1.00 <0.000833 1 N7300 MCE 03/13/2002 TH Nickel <0.200 <0.000167 0.2 N73O0 MCE 03/13/2002 TH Zinc <0.500 <0.000417 0.5 N7300 MCE 03/13/2002 TH

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CITY_21MC100_002881843

NYC-WTC_000219835