NYC-WTC_000226226

NYC 9/11 Public Portal Document

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^SCZ INDUSTRIAL HYGIENE ■EPAWLAP101262-0 •AHA ACCREDITATION NO. 100439 •NCDENR599 ENVIRONMENTAL TESTING • NY DOHNELAC10903 •PA DEP 06-353 •NJ DEP PA020 • CT QPH PH-0238

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R0205O242 Client Reference: 19125-0290, Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m») : (ppm) (ug)

Client ID: ATC-0503-M894.M 1 Lab ID: -OlA Date Sampled: 5/3/2002 Matrix: Filter AirVol.(L): 1200 Alumirum <1.00 <0.000833 1 N73O0 MCE 05/15/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB Chromium 0.483 0.000403 0.2 N7300 MCE 05/15/2002 AJB Cobalt <0.100 <0.0000833 0.1 N730O MCE 05/15/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB Iron <2.00 <0.00167 2 N73O0 MCE 05/15/2002 AJB Lead 0.340 0.000283 0.3 N7300 MCE 05/15/2002 AJB Magnesium <1.30 <0.00108 1.3 N730O MCE 05/15/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 05/15/2002 AJB Molybdenum <1.00 <0.000833 1 N73O0 MCE 05/15/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 05/15/2002 AJB

Client ID: ATC-0503-M894-M2 Lab ID: -D2A Date Sampled: 5/3/2002 Matrix: Filter AirVoUL); 1200

Aluminum <1.00 <0.000833 1 N730O MCE 05/15/2002 AJB

Cadmium <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB Chromium 0.393 0.000327 0.2 N7300 MCE 05/15/2002 AJB

Cobalt <0.100 <0.0000833 0.1 N730O MCE 05/15/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB Iron <2.00 <0.00167 2 N73O0 MCE 05/15/2002 AJB

Lead <0.300 <0.000250 0.3 N7300 MCE 05/15/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 05/15/2002 AJB

Manganese <0.300 <0.000250 0.3 N730O MCE 05/15/2002 AJB

Molybdenum <1.00 <0.000833 1 N73O0 MCE 05/15/2002 AJB

Nickel <0.200 <0.000167 0.2 N7300 MCE 05/15/2002 AJB

Zinc <0.500 <0.000417 0.5 N73O0 MCE 05/15/2002 AJB

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NYC-WTC_000226226