NYC-WTC_000227067

NYC 9/11 Public Portal Document

r^SC INDUSTRIAL HYGIENE •EPAWVLAP101262-0 • AIHA ACCREDITATION NO. 100439 •NCDENR599 •NYDOHMEIAC10903 • PA DEP 06-353 ENVIRONMENTAL TESTING "NJDEP PA020 •CT DPH PH-0238

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) (ug)

Client ID: M5 ATC-0309-M833 Lab ID: -OSA Date Sampled: 3/9/02 Matrix: Filter Air Vol.{L): NA

Aluminum <1.00 1 N7300 MCE 03/19/2002 TH Cadmium <0.200 0.2 N7300 MCE 03/19/2002 TH .—--ehromium 0.379 0.2 N7300 MCE 03/19/2002 TH Cobalt <0.100 0.1 N7300 MCE 03/19/2002 TH Copper <0.200 0.2 N7300 MCE 03/19/2002 TH Iron <2.00 2 N7300 MCE 03/19/2002 TH Magnesium <1.30 1.3 N7300 MCE 03/19/2002 TH Manganese <0.300 0.3 N7300 MCE 03/19/2002 TH Molybdenum <1.00 1 IM7300 MCE 03/19/2002 TH Nickel <0.200 0.2 N7300 MCE 03/19/2002 TH

Zinc <0.500 0.5 N7300 MCE 03/19/2002 TH

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

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

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