NYC-WTC_000199064

NYC 9/11 Public Portal Document

Mar 14 02 10:33a PSC Hnalatical Services G103219GS7 p. 10

F’SC INDUSTRIAL HYGIENE • EPAWLAP 101262-0 • AIHA ACCREDITATION NO. 100439 •NC DENR 599 ENVIRONMENTAL TESTING • MT DOH/NELAC10903 •PADEPC6-353 •WJDEP PAO20 •CT DPH PH-0236

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02030323 Client Reference: 19125-0279

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

Client ID: M5 ATC-0305-0234M Lab ID: -OSA Date Sampled: 3/5/02 Matrix: Filter Air Vol.(L):NA Aluminum <1.00 1 N7300 MCE 03/13/2002 TH Cadmium <0.200 0.2 N7300 MCE 03/13/2002 TH Chromium 0.348- 0.2 N7300 MCE 03/13/2002 TH Cobalt <0.100 0.1 N7300 MCE 03/13/2002 TH Copper <0.200 0.2 N7300 MCE 03/13/2002 TH iron <2.00 2 N7300 MCE 03/13/2002 TH Lead <0.300 0.3 N7300 MCE 03/13/2002 TH Magnesium <1.30 1.3 N730O MCE 03/13/2002 TH Manganese <0.300 0.3 N7300 MCE 03/13/2002 TH Molybdenum <1.00 1 N7300 MCE 03/13/2002 TH Nickel <0.200 0.2 N7300 MCE 03/13/2002 TH Zinc <0.500 0.5 N7300 MCE 03/13/2002 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 detection (LOD). Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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