NYC-WTC_000194867

NYC 9/11 Public Portal Document oo o /

♦ i=sc: INDUSTRIAL HYGIENE ■EPA4MAP101252-0 • AIHA ACCREDITATION NO. 100439 •NCDENR599 ENVIRONMENTAL TESTING • NY DOWNEtAC 10903 • PA DEP 06-363 •NJDEP PA020 • CT DPH PH-023B

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R020500I5 Client Reference: 19125-0289. Metals

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

Client ID: ATC-0429-150M-M3 Lab ID: -03A Date Sampled: 4/29/2002 Matrix: Filter AirVol.(L): 1200

Aluminum <1.00 <0.000833 1 N7300 MCE 05/10/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 05/10/2002 AJB Chromium — 0.618 0.000515 0.2 N7300 MCE 05/10/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 05/10/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 05/10/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 05/10/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 05/10/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 05/10/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 05/10/2002 AJB Molybdenum <1.00 <0.000833 1 N73D0 MCE 05/10/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 05/10/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 05/10/2002 AJB

Client ID: ATC-0429-1S0M-M4 Lab ID: -04A Date Sampled: 4/29/2002 Matrix; Filter Air Vol.(L): NA Aluminum <1.00 1 N7300 MCE 05/10/2002 AJB Cadmium <0.200 0.2 N730O MCE 05/10/2002 AJB Chromium — 0.451 0.2 N7300 MCE 05/10/2002 AJB Cobalt <0.100 0.1 N7300 MCE 05/10/2002 AJB Copper <0.200 0.2 N7300 MCE 05/10/2002 AJB Iron <2.00 2 N73O0 MCE 05/10/2002 AJB Lead <0.300 0.3 N7300 MCE 05/10/2002 AJB Magnesium <1.30 1.3 N7300 MCE 05/10/2002 AJB Manganese <0.300 0.3 N7300 MCE 05/10/2002 AJB Molybdenum <1.00 1 N730O MCE 05/10/2002 AJB Nickel <0.200 0.2 N7300 MCE 05/10/2002 AJB Zinc <0.500 0.5 N7300 MCE 05/10/2002 AJB

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