NYC-WTC_000189366

NYC 9/11 Public Portal Document

Apr 24 02 03:1ip PSC 610-921-9667 p, 17

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ' EPAAIVLAP101262-0 • NY OOH/NELAC 10903 • NJ DEP PA020 ■ AIHA ACCREDITATION NO. 503435 ■ PA DEP 06-353 •CT OPH PH-0238 •NCDENR 599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02O40635 Client Reference: 19125-0290

Analyte Concentration Limit of Te,St Date .Analyzed Detection Method /Analyst (ug) ' (JiiR/'ni’i : (ppm) (ug) Client ID: ATC-0412-M894-M3 Lab ID: -OSA Date Sampled: 4/12/02 Matrix: Filter AirVol.(L); 1200 Aiuminum <1.00 <0.000833 1 N730O MCE 04/23/2002 AJS Cadmiurn <0.200 <0.000107 0,2 N7300 MCE 04/23/2002 AJB ChrDmiunri 0.451 0.000376 0.2 N7300 MCE 04/23/2002 AJB Cobalt <0.100 <0.0000833 0.1 N730O MCE 04/23/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/23/2002 AJB Iron <2,00 <0.00167 2 N7300 MCE 04/23/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 04/23/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/23/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/23/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/23/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/23/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/23/2002 AJB

Client ID: ATC-0412-MS94-M4 Lab ID; -04A Date Sampled: 4/12/02 Matrix: Filter AirVol.(L); 1200 Aluminum <1.00 <0.000833 1 N73OO MCE 04/23/2002 AJB Cadmium <0.200 <0.000167 0.2 N73O0 MCE 04/23/2002 AJB Chromium 0.566 0.000471 0.2 N73D0 MCE 04/23/2002 AJB Cobalt <0.100 <0,0000833 0.1 N7300 MCE 04/23/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/23/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 04/23/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 04/23/2002 AJB Masnesium <1.30 <0.00108 1.3 N7300 MCE 04/23/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/23/2002 AJB Molybdenum <1.00 <0.000833 1 N73Q0 MCE 04/23/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/23/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/23/2002 AJB

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NYC-WTC_000189367