NYC-WTC_000226980

NYC 9/11 Public Portal Document

p. 3e Mar 29 02 08:25a'

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA/NVLAP 101262-0 • NY DOH41ELAC 10903 •NJDEPPAD20 ■ AIHA ACCREDITATION NO. 100439 ■PADEP 06-353 • CT DPH PH-0238 ■ MC DENR 599

ANALYTICAL SERVICES .Analytical Results .for ATC Associates WorkOrder; R02030993 Client Reference: 19125-0246 Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) •; (ppm) (Ug)

Client ID: Ml-ATC-l)320-STy Lab ID: -OlA Pate Sampled: 3/20/02 Matrix: Filter Air Vol.(L): 960 Aluminum <1.00 <0.00104 1 N730O MCE 03/28/2002 AJB Cadmium <0.200 <0.000208 0.2 N7300 MCE 03/28/2002 AJB Chromium - 0.613 0.000639 ------ 0.2 N7300 MCE 03/20/2002 AJB Cobalt <0.100 <0.000104 0.1 • N7300MCE 03/28/2002 AJB Copper <0.200 <0-000208 0.2 N7300 MCE 03/28/2002 AJB Iron <2.00 <0.00208 2 N7300 MCE 03/28/2002 AJB Lead 0.312 0.000325- 0.3 N7300 MCE 03/28/2002 AJB 1 Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/28/2002 AJB Manganese <0.300 <0.000312 0.3 N730O MCE 03/23/2002 AJB Molybdenum <1.00 - <0.00104 1 N7300 MCE -03/28/2002 AJB Nickel <0.200 <0.000208 0.2 N7300.MCE 03/28/2002 AJB Zinc <0.500 <0.000521 0.5 N7300MCE 03/28/2002 AJB

Client ID: M2-ATC-0320-STY Lab ID: -02A Date Sampled: 3/20/02 Matrix: Filter Air Vol.(L): 960 Aluminum <1.00 <0.00104 1 N7300 MCE 03/28/2002 AJB Cadmium <0.200 <0.000208 0,2 N7300 MCE 03/28/2002 AJB :hromium 0.818 0.000852 0.2 N7300 MCE 03/28/2002 AJB Cobalt <0.100 <0.000104 0.1 N73O0 MCE 03/28/2002 AJB Cooper <0.200 <0.000208 0.2 N730O MCE 03/28/2002 AJB Iron <2.00 <0.00208 2 N7300 MCE 03/28/2002 AJB

Lead <0.300 <0.000312 0.3 N73O0 MCE 03/28/2002 AJB Magnesium <1.30 <0.00135 1.3 N73O0 MCE 03/28/2002 AJB Manganese <0.300 <0.000312 0.3 N730O MCE 03/28/2002 AJB

Molybdenum- <1.00 <0.00104 1 N730O.MCE- 03/28/2002 AJB

Nickel <0.200' <0.000208 0.2 N730O MCE 03/23/2002 AJB Zinc <0.500 <0.000521 0.5 . N730O MCE 03/28/2002 AJB

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NYC-WTC_000226980