NYC-WTC_000197660

NYC 9/11 Public Portal Document r•

F»sc: INDUSTRIAL HYGIENE •EPAAIVLAP 101262 0 •AIHA ACCREDITATION NO. 100439 •NCOENR 599 •WDOHiNELAC1Q903 •PADEP 06-353 ENVIRONMENTAL TESTING •NJDEP PAQ20 •CTDPHPH-023B

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: RO2030688 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) I (ppm) (ufi) f 'zi ’ Client ID: Ml ATC-0313-STY Lab ID: -Q9A Date Sampled: 3/13/02 Matrix: Filter Air Vol.(L): 960 Aluminum <1.00 <0.00104 1 N7300 MCE 03/22/2002 AJB Caamium <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB Chromium 0.345 0.000359 0-2 N7300 MCE 03/22/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 03/22/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB Iron <2.00 <0.00208 2 N7300 MCE 03/22/2002 AJB Lead 0.346 0.000360 0.3 N730O MCE 03/22/2002 AJB Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/22/2002 AJB Manganese <0.300 <0.000312 0.3 N7300 MCE 03/22/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 03/22/2002 AJB ; Nickel <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB —f Zinc 1.44 0.00150 0.5 N7300 MCE 03/22/2002 AJB

Client ID; M2 ATC-03 13-STY Lab ID: -10 A Date Sampled: 3/13/02 Matrix: Filter Air Vol.(L); 900

Aluminum <1.00 <0.00104 1 N7300 MCE 03/22/2002 AJB Cadmium <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB __ —Chromium 0.2S1 0.000292----- 0.2 N7300 MCE 03/22/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 03/22/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB ■Iron 3.38 0.00352 2 N7300 MCE 03/22/2002 AJB Lead 0.304 0.000317 0.3 N73O0 MCE 03/22/2002 AJB Magnesium <1.30 <0.00135 1.3 N730O MCE 03/22/2002 AJB ----- Manganese 0.468 0.000487- 0.3 N7300 MCE 03/22/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 03/22/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 03/22/2002 AJB ----Zinc 2.68 0.00279 0.5 N730O MCE 03/22/2002 AJB

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NYC-WTC_000197660