NYC-WTC_000196870

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12/02./2002 12:27 6109219667 PSC ANALYTICAL SVb.

ANALVnCM. INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING

SEWICE® •ePA PA-0O136 •AIHA AOCREDITATIONNO. 100459 -Nt OOH/NEIAC 10903 *8 PEP 06-353 DEPPAOaO <TDPHPH-023a Mie Pih* Rea4las, PA 19(8C 4slCDesiR399 (Tel) S18-3Z1-8SJ3 (Fold MM21-WC7 Analytical Results for ATC Associates

WorkOrder: R02n0477 Client Reference: 15-19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (mg/m’) ; (ppm) (ur)

Client (D: ATC-1114-89M-M3 Lab ID: .03A Date Sampled: 11/14/200 Matrix: Filter AlrVol.(L): 1200

Aluminum 1.23 0.00103 1 N7300 MCE 11/23/2002 AJB Cadmium <0.200 <0 000107 0.2 N7300 MCE 11/23/2002 XUB Chromium 0.863 0.000719 02 N7300 MCE 11/23/2002 AJB Cobalt <0 100 <0,0000833 0.1 N7300 MCE 11/23/2002 AJB Coopar <0.200 <0,000167 02 N7300 MCE 11/23/2002 AJB Iron <2.00 <0 00187 2 N7300 NICE 11/23/2002 AJB Lead <0.300 <0,000250 03 N7300 MCE 11/23/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 11/23/2002 AJB Manganese <0.300 <0,000250 0.3 N7300 MCE 11/23/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 11/23/2002 Aja Nickel 384 0.00320 02 N7300 MCE 11/23/2002 AJB ZlllC <0.500 <0.000417 05 N73OO MCE 11/24/2002 AJB

Client ID: ATC-1114-89M-M4 Lab ID: -04A Date Sampled: 11/14/200 Matrix: Filtei Air Vol.(L): 1200 Aluminum <1 00 <0.000833 1 N7300 MCE 11/23/2002 AJB Cadmium <0.200 <0 000167 0.2 N7300 MCE 11/23/2002 AJB Chromium 0 739 0.000616 0.2 N7300 MCE 11/23/2002 AJB CoSalt <0 100 <0.0000833 0.1 N7300 MCE 11/23/2002 AJB Copper <0.200 <0,000167 0.2 N7300 MCE 11/23/2002 AJB Iron <2.00 <0.00167 2 N73O0 MCE 11/23/2002 AJB Lead <0.300 <0.000250 0.3 N7300 MCE 11/23/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 11/23/2002 AJB Manganasa <0 300 <0.000250 0.3 N7300 MCE 11/23/2002 AJB Molybdenum <1.00 <0,000833 1 N7300 MCE 11/23/2002 AJB Nickel 4.67 0,00389 0,2 N730Q MCE 11/23/2002 AJB Zinc <0.600 <0.000417 0.6 N7300 MCE 11/24/2002 AJB

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