Analytical results for air samples, March 2002

NYC 9/11 Public Portal Document

Mar 04 02 03:24p PSC Analytical Services 6103219667 p. 1 □

INDUSTRIAL HYGIENE ENVIROMMENTAL TESTING • EPA/NVLAP 101262-0 ■ NY DOH/NELAC 10903 «NJDEP PAC20 • AIHA ACCREDITATION NO, 100439 ■ PA DEP 06-353 •CT DPH PH-0238 • NC DENR 599

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

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

Client ID; M3 ATC-0220-STY Lab ID; -03A Date Sampled: 2/20/02 Matrix: Filter Air Vol.(L): 900 Aluminum <1.00 <0.00104 1 N7300 MCE 03/01/2002 TH Cadmium <0.200 <0.000208 0.2 N73D0 MCE 03/01/2002 TH Chromium - 0.526 0.000547 0.2 N7300 MCE 03/01/2002 TH Coball <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 <0.00208 2 N73Q0 MCE 03/01/2002 TH Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/01/2002 TH Manganese <0.300 <0.000312 0.3 N7300 MCE 03/01/2002 TH Molybdenum <1.00 <0.00104 1 N7300 MCE 03/01/2002 TH Nickel <0.200 <0.000208 0.2 N7300 MCE 03/01/2002 TH Zinc <0.500 <0.000521 0.5 N73aQ MCE 03/01/2002 TH

Client ID: M4 ATC-0220-STY Lab ID: -04A Date Sampled: 2/20/02 Matrix: Filler Air VoI.(L): NA Aluminum <1.00 1 N7300 MCE 03/01/2002 TH Cadmium <0.200 0.2 N7300 MCE 03/01/2002 TH Chromium 0.663 0.2 N7300 MCE 03/01/2002 TH Cobalt <0.100 0.1 N7300 MCE 03/01/2002 TH Copper <0.200 0.2 N7300 MCE 03/01/2002 TH Iron <2.00 2 N7300 MCE 03/01/2002 TH Magnesium <1.30 1.3 N730D MCE 03/01/2002 TH Manganese <0.300 0.3 N7300 MCE 03/01/2002 TH Molybdenum <1.00 1 N73a0 MCE 03/01/2002 TH Nickel <0.200 0.2 N7300 MCE 03/01/2002 TH Zinc <0.500 0.5 N730O MCE 03/01/2002 TH

(a) Analysis indicates possible breakthrough; back section result is greater than 0% of the front section result.

General Notes; <; Less than the indicated limit of defection (LOD). —: Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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CONFIDENTIAL, CITY_21MC100_003429333 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

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