Air Quality Analysis Results, P.S. 150M, June 2002

NYC 9/11 Public Portal Document B1u-an1-abbv p.G jun ubi^ua

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC • EPA/NVLAP 101262-0 • NY OOHAJELAC 10903 •NJ OEP PAa20 • AIHA ACCREDITATION NO. 100439 • PA DEP 05-353 •CT DPH PH-0238 •NCDENR599 Analytical Results for

ATC Associates WorkOrder: R02060659 Client Reference: 19125-0289, Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (Ug) (mg/m’) ; (ppm) (“S)

Client ID: ATC-0617-I50M-M5 Labro. -05A Date Sampled: 6/17/2002 Matrix: Filter Air Vol.(L): NA

Aluminum 1.01 1 N7300 MCE 06/20/2002 AJB Cadmium <0.200 0,2 N7300 MCE 06/20/2002 AJB Chromium 0,310 0.2 N730Q MCE 06/20/2002 AJB Cobalt <0,100 0.1 N7300 MCE 06/20/2002 AJB Copper <0.200 0.2 N730O MCE 06/20/2002 AJB Iron <2.00 2 N7300 MCE 06/20/2002 AJB Lead <0.300 0.3 N7300 MCE 06/20/2002 AJB Magnesium <1.30 1.3 N73O0 MCE 06/20/2002 AJB Manganese <0.300 0.3 N7300 MCE 06/20/2002 AJB Molybdenum <1.00 1 N7300 MCE 06/20/2002 AJB Nickel <0.200 0.2 N7300 MCE 06/20/2002 AJB Zinc <0.500 0.5 N7300 MCE 06/20/2002 AJB

(u) 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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