NYC-WTC_000226283

NYC 9/11 Public Portal Document

Mar 11 02 03:18a PSC Rnalatical Services 6109219667 p. 14

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPAMVLAP101262-0 ’ NY DOH/NEIAC 10903 •NJDEP PA02O ■AIHA ACCREDITATION NO. 10D439 ■PADEP 06-353 • CT DPH PH-023B ■ NC DENR 599

ANATYTICAB SERVICES Analytical Results for ATC Associates WorkOrder; R02030044 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) : (mg/m") ; (ppm) (ug)

Client ID; M3 ATC-0228-S9M Lab ID: -hl.A Date Sampled; 2/28/02 Matrix: Filter AirVol.(L); 1200 Aluminum f2.01 0.00168-'' 1 N73D0 MCE 03/08/2002 TH Cadmium <0.000167 0.2 N73QQ MCE 03/08/2002 TH Chromium 6.487 0.000406 0.2 N7300 MCE 03/08/2002 TH Cobalt <0.100 <0.0000833 0.1 N73D0 MCE 03/08/2002 TH Copper <0.200 <0.000167 0.2 N7300 MCE 03/08/2002 TH Iron <2.00 <0.00167 2 N7300 MCE 03/08/2002 TH Lead <0.300 <0.000250 0.3 N7300 MCE 03/08/2002 TH Magnesium <1.30 <0.00108 1.3 N7300 MCE 03/08/2002 TH Manganese <0.300 <0.000250 0.3 N730O MCE 03/08/2002 TH Molybdenum <1.00 <0.000833 1 N730O MCE 03/08/2002 TH Nickel <0.200 <0.000167 0.2 N7300 MCE 03/08/2002 TH Zinc <0.500 <0.000417 0.5 N7300 MCE 03/08/2002 TH

Client [D: M4ATC-022S-89M /ZoOA Lab ID: -04A Date Sampled: 2/28/02 Matri.x: Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N73O0 MCE 03/05/2002 AJB Cadmium <0.200 <0.000167 0.2 N73D0 MCE 03/05/2002 AJB \ Chromium ( 0.530 ' 0.000442 0.2 N73D0 MCE 03/05/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/05/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 03/05/2002 AJB

Iron <2,00 <0.00167 2 N73O0 MCE 03/05/2002 AJB Lead 0.372) 0.000310 0.3 N73O0 MCE 03/05/2002 AJB Magnesium <1.30 <0.00108 1.3 N730O MCE 03/05/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 03/05/2002 AJB Molybdenum <1.00 <0.000833 1 N730O MCE 03/05/2002 AJB

Nickel <0.200 <0.000167 0.2 N7300 MCE 03/05/2002 AJB

Zinc <0.500 <0.000417 0.5 N7300 MCE 03/05/2002 AJB

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NYC-WTC_000226284