NYC-WTC_000196512

NYC 9/11 Public Portal Document

PSC 610-921-96B7 P- 4 Apr 15 02 12:15p

i=sc: INDUSTRIAL HYGIENE ■ EPAWLAP 101262-0 • AIHA ACCREDITATION NO. 100439 ■ NC DENR 539 ENVIRONMENTAL TESTING •NY OOHAIELAC 10903 • PA DEP 06-353 "NJOE.o PAGzJ •CT 0PHPH-Q23a

ANALYTICAL SERVICES Analjlical Results for ATC Associates WorkOrder; R02040469 Client Reference: 19125-0279. Metals

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (m" ni') : (ppm) («8)

Client ID: ATC-0409-234M-M1 / LablD: -OIA Date Sampled:4/9/02 Matrix: Filter AirVol.(L): 1200 ■— Aluminum 1,81 0.00151 1 N7300 MCE D4/11/2002 AJB Cadmium <0.200 <0.000167 0.2 N7300 MCE 04/11/2002 AJB ------Chromium 0.539 0.000449 — 0.2 N7300 MCE 04/11/2002 AJB

Cobalt <0.100 <0.0000833 0.1 N73Q0 MCE 04/11/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 04/11/2002 AJB ___Iron 2.21 0.00184— 2 N7300 MCE 04/11/2002 AJB

Lead <0.300 <0.000250 0.3 N73O0 MCE 04/11/2002 AJB Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/11/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 04/11/2002 AJB

Molybdenum <1.00 <0.000833 1 N7300 MCE 04/11/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 04/11/2002 AJB

Zinc <0.500 <0.000417 0.5 N7300 MCE 04/11/2002 AJB

Client [D: ATC-0409-234M-M2 IA j | Lab ID: -02A Date Sampled; 4/9/02 Matrix: Filter Air Vol.(L)-. 1200

Aluminum 1.15 0.000361 < 1 N7300 MCE 04/11/2002 AJB

Cadmium <0.200 <0.000167 0.2 . N7300 MCE 04/11/2002 AJB

Cfiromium 0.525 0.000430 ----- 0.2 N7300 MCE 04/11/2002 AJB

Cobalt <0.100 <0.0000833 0.1 N7300 MCE 04/11/2002 AJB

Copper <0.200 <0.000167 0.2 N7300 MCE 04/11/2002 AJB

Iron <2.00 <0.00167 2 N7300 MCE 04/11/2002 AJB

Lead <0.300 <0.000250 0.3 N7300 MCE 04/11/2002 AJB

Magnesium <1.30 <0.00108 1.3 N7300 MCE 04/11/2002 AJB

Manganese <0.300 <0.000250 0.3 N7300MCE 04/11/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 04/11/2002 AJB

Nickel <0.200 <0.000167 0.2 N7300 MCE 04/11/2002 AJB

Zinc <0.500 <0.000417 0.5 N7300 MCE 04/11/2002 AJB

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NYC-WTC_000196512