NYC-WTC_000208043

NYC 9/11 Public Portal Document

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAMVLAP 101262-0 •WDOH/NELAC 10903 •NJDEP PA020 •AIHAACCREDlTATtONNO. 100433 • PA DEP 06-353 •CT0PHPI+023e •NC DENR599

AN/YLYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02040637 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (“g) : (rag/m^) ; (ppm) (ug)

Client ID: ATC-0411-89M-M5 Lab ID: -OSA Date Sampled: 4/11/02 Matrix: Filter Air Vol.(L): NA Aluminum <1.00 1 N7300 MCE 04/23/2002 AJB Cadmium <0.200 0.2 N7300 MCE 04/23/2002 AJB Chromium 0.589 0.2 N7300 MCE 04/23/2002 AJB Cobalt <0.100 0.1 N730O MCE 04/23/2002 AJB Copper <0.200 0.2 N7300 MCE 04/23/2002 AJB Iron <2.00 2 N7300 MCE 04/23/2002 AJB Lead <0.300 0.3 N7300 MCE 04/23/2002 AJB Magnesium <1.30 1.3 N7300 MCE 04/23/2002 AJB Manganese <0.300 0.3 N7300 MCE 04/23/2002 AJB Molybdenum <1.00 1 N73Q0 MCE 04/23/2002 AJB Nickel <0.200 0.2 N7300 MCE 04/23/2002 AJB Zinc <0.500 0.5 N7300 MCE 04/23/2002 AJB

Client ID; ATC-041 )-89M-iM6 Lab ID: -06A Date Sampled: 4/11/02 Matrix: Filter Air Vol.(L): NA

Aluminum <1.00 1 N7300 MCE 04/23/2002 AJB Cadmium <0.200 0.2 N7300 MCE 04/23/2002 AJB Chromium 0.584 0.2 N7300 MCE 04/23/2002 AJB Cobalt <0.100 0.1 N7300 MCE 04/23/2002 AJB Copper <0.200 0.2 N7300 MCE 04/23/2002 AJB Iron <2.00 2 N73O0 MCE 04/23/2002 AJB Lead <0.300 0.3 N7300 MCE 04/23/2002 AJB Magnesium <1.30 1.3 N7300 MCE 04/23/2002 AJB

Manganese <0.300 0.3 N73O0 MCE 04/23/2002 AJB Molybdenum <1.00 1 N730O MCE 04/23/2002 AJB Nickel <0.200 0.2 N7300 MCE 04/23/2002 AJB Zinc <0.500 0.5 N7300 MCE 04/23/2002 AJB

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

General Notes: <: Less ihan 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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