NYC-WTC_000199367

NYC 9/11 Public Portal Document Sep OS 02 10:45a PSC eiO-El21 -9667 p.5

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC •NYDOHINELAC 10903 •NJ DEP PAQ2D •EPANVLAP 101262-0 • AIHA ACCREDITATION NO. 100439 ■ PA DEP 06-353 • CT OPH PH-023B • NO DENR 599

Analytical Results for

ATC Associates WorkOrder: R02080866 Client Reference: 19125-0340

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) i (nigTi3) I (ppm) (ug) Client ID: ATC-0827-1M-M3 p" l/a^' Lab ID: -03A Date Sampled: 8/27/2002 Matrix: Filter AirVol.(L); 120a.^, — Aluminum 1.91 0.00159— 1 N73O0 MCE 09/06/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 09/06/2002 AJB .. Chromium 0.486 0.000405-- 0.2 N7300 MCE 09/06/2002 AJB Cobalt <0.100 <0.0000833 0.1 N73OO MCE 09/06/2002 AJB Capper <0.200 <0.000167 0.2 N730O MCE 09/06/2002 AJB Iron <2.00 <0,00167 2 N7300 MCE 09/06/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 09/06/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 09/06/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 09/06/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 09/06/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 09/06/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 09/06/2002 AJB

Client ID: ATC-0827-1M-M4 Lab ID: -04A Date Sampled: S/27/2002 Matrix: Filter Air Vol.{L): NA

Aluminum 1.02- - 1 N7300 MCE 09/06/2002 AJB Cadmium <0.200 0.2 N7300 MCE 09/06/2002 AJB Chromium 0.656- 0.2 N7300 MCE 09/06/2002 AJB Cobalt <0.100 0.1 N7300 MCE 09/05/2002 AJB Copper <0.200 0.2 N7300 MCE 09/06/2002 AJB Iron <2.00 2 N7300 MCE 09/06/2002 AJB Lead <0-300 0.3 N7300 MCE 09/06/2002 AJB Magnesium <1.30 1.3 N7300 MCE 09/06/2002 AJB Manganese <0.300 0.3 N7300 MCE 09/06/2002 AJB Molybdenum <1.00 1 N7300 MCE 09/06/2002 AJB Nickel <0.200 0.2 N7300 MCE 09/06/2002 AJB Zinc <0.500 0.5 N7300 MCE 09/06/2002 AJB

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NYC-WTC_000199368