NYC-WTC_000218477

NYC 9/11 Public Portal Document

Rpr 03 02 03:073 PSC 610-321-3667 p. 1 1

F’SIZ INDUSTRIAL HYGIENE • EP/WLAP101262-Q •AIHAACCREDITAT1ONNO.100439 *NCDENR5S9 ENVIRONMENTAL TESTING > NY DOH/NELAC 10S03 •PADEF 06-353 ■NJOEP PA020 • CT DPH Pt+O23B

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02040008 Client Reference: 19125-0279

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) : (ppm) (ug) Client ID: M5 ATC-0326-234M yUivL Lab ID: -OSA Date Sampled: 3/26'02 Matrix: Filter Air Vol.(L): NA Aluminum 1.25<^ 1 N7300 MCE 04/05/2002 AJB Cadmium <0.200 0.2 N7300 MCE 04/05/2002 AJB Chromium 0.632 0.2 N7300 MCE 04/05/2002 AJB Cobalt <0.100 0.1 N7300 MCE 04/05/2002 AJB Copper <0.200 0.2 N7300 MCE 04/05/2002 AJB Iran <2.00 2 N7300 MCE 04/05/2002 A^B Lead <0.300 0.3 N7300 MCE 04/05/2002 AJB Magnesium <1.30 1.3 N730O MCE 04/05/2002 AJB Manganese <0.300 0.3 N7300 MCE 04/05/2002 AJB Molybdenum <1.00 1 N7300 MCE 04/05/2002 AJB Nickel <0.200 0.2 N7300 MCE 04/05/2002 Aj'B Zinc <0.500 0.5 N7300 MCE 04/05/2002 AJB

(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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NYC-WTC_000218479