NYC-WTC_000189369

NYC 9/11 Public Portal Document Maa 01 02 12:46p PSC 610-921-966'7

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA^A/LAP 101262-0 •NYDOPW1ELAC 1090S •NJ DEP PA020 •AIHA ACCREDITATION NO. 100439 •PA DEP 06-353 •CT DPH •NCDENRSgg

ANALYTICAL SERVICES Analytical Results for ATC Associates

WorkOrder: R02040896 Client Reference: 19125-0290, Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst C“g) 1 (mg'm’) ; (ppm) (wc)

Client ID: Ml ATC-04I9.M894 Lab ID; -OlA Date Sampled; 4/19/02 Matrix: Filter AirVol.<L): 1200 Aluminuni <1.00 <0,000833 1 N7300 MCE 04/30/2002 AJB CadmiLun <0.200 <0.000167 0.2 N73O0 MCE 04/30/2002 AJB Chromiurn 0.429 0.000358 0.2 N730O MCE 04/30/2002 AJB Cobalt <0.100 <0.0000833 0.1 N7300 MCE 04/30/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 04/30/2002 AJS Lead <0.300 <0.000250 0.3 N7300 MCE 04/30/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/30/2002 AJB Manganese . <0.300 <0.000250 0.3 N7300 MCE 04/30/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/30/2002 AJB Nickel 0.242 0.000202 0.2 N7300 MCE 04/30/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/30/2002 AJB

Client ID; M2 ATC-0419-M894 Lab ID: -02A Date Sampled; 4/19/02 Matrix: Filter AirVol.(L): 1200

Aluminum <1.00 <0,000833 1 N7300 MCE 04/30/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Chromium 0.338 0.000282 0.2 N7300 MCE 04/30/2002 AJB Cobait <0.100 <0.0000833 0.1 N73O0 MCE 04/30/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Iron <2.00 <0.00167 2 N73O0 MCE 04/30/2002 AJB Lead <0.300 <0.000250 0.3 N730D MCE 04/30/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/30/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/30/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/30/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/30/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 04/30/2002 AJB

Page 1 of 3

CITY_21MC1OO_OO3O8643O

NYC-WTC_000189369