NYC-WTC_000221464

NYC 9/11 Public Portal Document

May 14 02 08:423 PSC 610-921-abb7

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING » •EP/UNVLAP101262-0 • NY DOHMELAC10903 •NJOEPPAO20 •AIHAACCREOirATIONNO. 100439 • PA OEP 06-353 • CT0PHPiM238 •NCDENR599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder; R02041160 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) •. (mg/m’) ; (ppm)

Client ID: ATC-0425-89M-M1 Aluminum 25^ Lab ID: -01A <1.00 Date Sampled: 4/25/02 <0.000833 1 Matrix: Filter N7300 MCE AirVol.(L): 1200 05/11/2002 DS Cadmium <0.200 <0.000167 0.2 N7300 MCE 05/11/2002 DS 0.000584 oOO^ 05/11/2002 Chromium 0.701 0.2 N730O MCE DS Cobalt <0.100 <0.0000333 0.1 N7300 MCE 05/11/2002 DS Copper <0.200 <0.000167 0.2 N7300 MCE 05/11/2002 DS Iron <2.00 <0.00167 2 N7300 MCE 05/11/2002 DS Lead <0.300 <0.000250 0.3 N7300 MCE 05/11/2002 DS Magnesium <1.30 <0.00108 1.3 N7300 MCE 05/11/2002 DS Manganese <0.300 <0.000250 0.3 N7300 MCE 05/11/2002 DS Molybdenum <1.00 <0.000833 1 N7300 MCE 05/11/2002 DS Nickel <0.200 <0.000167 0.2 N7300 MCE 05/11/2002 DS Zinc <0.500 <0.000417 0.5 N7300 MCE 05/11/2002 DS

Client ID: ATC-0425-89M-M2 ID: .02A Date Sampled: 4/2S/02 Matrix: Filter AirVol.(L): 1200 Aluminum <1.00 <0.000833 1 N7300 MCE 05/11/2002 DS Cadmium <0.200 <0.000167 0.2 N7300 MCE 05/11/2002 DS Chromium 0.648 0.000540 ■g55oo 2-^' 0.2 N73O0 MCE 05/11/2002 DS Cobalt <0.100 <0.0000833 0.1 M7300 MCE 05/11/2002 DS Copper <0.200 <0.000167 0.2 N7300 MCE 05/11/2002 DS Iron <2.00 <0.00167 2 N7300 MCE 05/11/2002 DS Lead <0.300 <0.000250 0.3 N730O MCE 05/11/2002 DS Magnesium <1.30 <0.00108 1.3 N7300 MCE 05/11/2002 DS Manganese <0.300 <0.000250 0.3 M7300 MCE 05/11/2002 DS Molybdenum <1.00 <0.000833 1 N7300 MCE 05/11/2002 DS Nickel <0.200 <0.000167 0.2 N73O0 MCE 05/11/2002 DS Zinc <0.500 <0.000417 0.5 N7300 MCE 05/11/2002 DS

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NYC-WTC_000221464