NYC-WTC_000197644

NYC 9/11 Public Portal Document

Mar 11 02 09:163 PSC Analytical Services 6109219667 p-a

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■ EPAINViAP 101262-0 • NY DOHWELAC 10903 • NJ DEP PA020 ■ AIHA ACCREDITATION NO. 100439 •PA DEP 06.353 • CT DPH PH.0238 •NC 0ENR599

ANATYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02O30O45 Client Reference: 19125-0246

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

Client ID: Ml ATC-0227-STY Lab ID; -01A Date Sampled: 2/27/02 Matrix: Filter Air VoL(L): 960 Aluminum 1.44 0.00150 1 N7300 MCE 03/08/2002 TH Cadmium <0.200 <0.000208 0.2 N7300 MCE 03/08/2002 TH Chromium ■ 0.691 0.000720 0.2 N7300 MCE 03/08/2002 TH Coball <0.100 <0.000104 0.1 N7300 MCE 03/08/2002 TH Copper <0.200 <0,000208 0.2 N7300 MCE 03/08/2002 TH Iron <2.00 <0.00208 2 N7300 MCE 03/08/2002 TH Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/08/2002 TH Manganese <0.300 <0.000312 0,3 N7300 MCE 03/08/2002 TH Molybdenum <1.00 <0.00104 1 N73O0 MCE 03/08/2002 TH Nickel <0.200 <0.000208 0.2 N7300 MCE 03/08/2002 TH Zinc <0.500 <0.000521 0.5 N7300 MCE 03/08/2002 TH

Client ID: M2 ATC-0227-STY Lab ID: -02A Date Sampled: 2/27/02 Matrix: Filter Air Vol.{L): 960

Aluminum 1.90 0.00198 1 N7300 MCE 03/08/2002 TH Cadmium <0.200 <0.000208 0.2 N7300 MCE 03/08/2002 TH Chromium 0.572 0.000596 0.2 N7300 MCE 03/08/2002 TH Cobalt <0.100 <0.000104 0.1 N7300 MCE 03/08/2002 TH Copper <0.200 <0.000208 0.2 N73a0 MCE 03/08/2002 TH Iron <2.00 <0.00208 2 N7300 MCE 03/08/2002 TH Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/08/2002 TH Manganese <0.300 <0.000312 0.3 N7300 MCE 03/08/2002 TH Molybdenum <1.00 <0.00104 1 N7300 MCE 03/08/2002 TH Nickel <0.200 <0.000208 0.2 N73D0 MCE 03/08/2002 TH Zinc <0.500 <0.000521 0.5 N73D0 MCE 03/08/2002 TH

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NYC-WTC_000197644