NYC-WTC_000197654

NYC 9/11 Public Portal Document

Apr 10 02 03:26p PSC B10-9E1-3G67 P-3

F’SCZ INDUSTRIAL HYGIENE ■EPAIWLAP101262-0 • AIHA ACCREDITATION NO. 100438 ENVIRONMENTAL TESTING • NY DOH/NELAC10803 • PA DEP 06-353 •IL DEF PAB20 • CT DPH PH-0238 •NCDENR59S

ANALYTIC.^ SERVICES Analytical Results for ATC Associates WorkOrder; R02040253 Client Reference: 19125-0246, METALS

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) • (mg/ra’) I (ppm) (ug)

Client ID: ATC-0403-STY-M1 Lab ID: -01A Date Sampled: 4/3/02 Matrix: Filter Air Vol.(L): 960 Aluminum <1.00 <0.00104 1 N7300 MCE 04/09/2002 AJB Cadmium <0.200 <0.000208 0.2 N730O MCE 04/09/2002 AJB —Chromium - 0.404 0.000421 0.2 N7300 MCE 04/09/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 04/09/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 04/09/2002 AJB Iron <2.00 <0.00208 2 N7300 MCE 04/09/2002 AJB Lead <0.300 <0.000312 0.3 N7300 MCE 04/09/2002 AJB Magnesium <1.30 <0.00135 1.3 N73O0 MCE 04/09/2002 /LIB Manganese <0.300 <0.000312 0.3 N73Q0 MCE 04/09/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 04/09/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 04/09/2002 AJB Zinc <0.500 <0.000521 0.5 N730O MCE 04/09/2002 AJB

Client ID: ATC-0403-STy-M2-p' ID; .02A Date Sampled: 4/3/02 Matrix: Filter Air Vol.(L); 960 Aluminum 1.59 0.00166 1 N730O MCE 04/09/2002 AJB Cadmium <0.200 <0.000208 0.2 N7300 MCE 04/09/2002 AJB ,____ 0.488 0.000508- 0.2 N730O MCE 04/09/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 04/09/2002 AJB Copper <0.200 <0.000208 0.2 N7300 MCE 04/09/2002 AJB Iron <Z00 <0.00208 2 N7300 MCE 04/09/2002 AJB Lead <0.300 <0.000312 0.3 N7300 MCE 04/09/2002 AJB Magnesium <1.30 <0.00135 1.3 N7300 MCE 04/09/2002 AJB Manganese <0.300 <0.000312 0.3 N7300 MCE 04/09/2002 /LIB Molybdenum <1.00 <0.00104 1 N73O0 MCE 04/09/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 04/09/2002 AJB Zinc <0.500 <0.000521 0.5 N7300 MCE 04/09/2002 /LIB

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NYC-WTC_000197654