Analytical results for air samples, March 2002

NYC 9/11 Public Portal Document

Mar 04 02 03:24p PSC Analytical Services S1092196G7 p. 9

INDUSTRIAL HYGIENE ENVIRON WIEMTAL TESTING • EPAMVLAP 101262-0 •NY DOKicLAC 10903 • NJ DEF PA020 ■ AIHA ACCREDITATION NO. 100439 ■ PA DEP 06-353 • CT DPH PH-023B •NCDENR599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder; R02020775 Client Reference: 19125-0246

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

Client ID: M I ATC-O220-STY Lab ID: -01A Date Sampled: 2/20/02 Matrix: Filter Air VoI.(L): 960 Aluminum <100 <0.00104 N7300 MCE 02/2S/2002 TH Cadmium <0.200 <0.000208 0.2 N7300 MCE 02/28/2002 TH Chromium 0.2S3 0.000274 0.2 N73O0 MCE 02/23/2002 TH Cobalt <0.100 <0.000104 0.1 N7300 MCE 02/28/2002 TH Copper <0.200 <0.000208 0.2 N73O0 MCE 02/28/2002 TH Iron 2.88 0.00300 2 N730O MCE 02/28/2002 TH Magnesium <1.30 <0.00135 1.3 N7300 MCE 02/28/2002 TH Manganese <0.300 <0.000312 0.3 N7300 MCE 02/28/2002 TH Molybdenum <1.00 <0.00104 1 N7300 MCE 02/28/2002 TH Nickel <0.200 <0.000208 0.2 N7300 MCE 02/28/2002 TH Zinc <0.500 <0.000521 0.5 N7300 MCE 02/28/2002 TH

Client ID: MZ ATC-O220-STY Lab ID: -02A Date Sampled: 2/20/02 Matrix: Filter AirVol.(L): 960 Aluminum <1.00 <0.00104 1 N7300 MCE 03/01/2002 TH Cadmium <0.200 <0.000208 0.2 N7300 MCE 03/01/2002 TH Chromium 0.591 0.000616 0.2 N7300 MCE 03/01/2002 TH Cobalt <0.100 <0.000104 0.1 N7300 MCE 03/01/2002 TH Copper <0.200 <0.000208 0.2 N7300 MCE 03/01/2002 TH Iron <2.00 <0.00206 2 N7300 MCE 03/01/2002 TH Magnesium <1.30 <0.00135 1.3 N730O MCE 03/01/2002 TH Manganese <0.300 <0.000312 0.3 N7300 MCE 03/01/2002 TH Molybdenum <1.00 <0.00104 1 N73O0 MCE 03/01/2002 TH Nickel <0.200 <0.000208 0.2 N730D MCE 03/01/2002 TH Zinc <0.500 <0.000521 0.5 N7300 MCE 03'01/2002 TH

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