NYC-WTC_000199074

NYC 9/11 Public Portal Document u (jn uc: X u : no.a o 1 u-ac X -300 f p. 3

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING FSC •EP/VNVLAP101262-0 • NY DOHJtELAC 10903 • NJ DEP PADzO • AIHA ACCREDITATION NO. 10W3B • PA DEP 06-353 •CT OPH PH-0238 •NC0ENR699 Analytical Results for ATC Associates

WorkOrder: R02060249 Client Reference: 19125-0279, Metals

Analyte Concentration Limit ef Test Date .Analyzed Detection Method /Analyst (ug) (mg/in’) : (ppm)

Client ID: ATC-0528-234M-M3 Lab ID: -03A Date Sampled: 5/28/2002 Matrix: Filter AirVol.(L): 1200

Aluminum <1.00 <0.000833 1 N730O MCE 06/14/2002 DS Cadmium <0.200 <0.000167 02 N73O0 MCE 06/14/2002 DS Chromium 0.320 0.000266 0.2 N73O0 MCE 06/14/2002 DS Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/14/2002 DS Copper <0.200 <0.000167 0.2 N7300 MCE 06/14/2002 DS Iron <2.00 <0.00167 2 N7300 MCE 06/14/2002 DS Lead <0.300 <0.000250 0.3 N7300 MCE 06/14/2002 DS Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/14/2002 DS Manganese <0.300 <0.000250 0.3 N7300 MCE 06/14/2002 DS Molybdenum <1.00 <0.000833 1 N7300 MCE 06/14/2002 DS Nickel <0.200 <0.000167 0.2 N7300 MCE 06/14/2002 DS Zinc <0.500 <0.000417 0.5 N730O MCE 06/14/2002 DS

Client ID: ATC-0528-234M-M4 Lab ID: -04A Date Sampled: 5/28/2002 Matrix: Filter AirVoI.{L): 1200 Aluminum <1.00 <0.000833 1 N730O MCE 06/14/2002 DS Cadmium <0.200 <0.000167 0.2 N7300 MCE 06/14/2002 DS Chromium 0.307 0.000256 0.2 N7300 MCE 06/14/2002 DS Cobalt <0.100 <0.0000833 0.1 N7300 MCE 06/14/2002 DS Copper <0.200 <0.000167 0.2 N7300 MCE 06/14/2002 DS Iron <2.00 <0.00167 2 N7300 MCE 06/14/2002 DS Lead <0.300 <0.000250 0.3 N730O MCE 06/14/2002 DS Magnesium <1.30 <0.00108 1.3 N7300 MCE 06/14/2002 DS Manganese <0.300 <0.000250 0.3 N7300 MCE 06/14/2002 DS Molybdenum <1.00 <0.000833 1 N7300 MCE 06/14/2002 DS Nickel <0.200 <0.000167 0.2 N7300 MCE 06/14/2002 DS Zinc <0.500 <0.000417 0.5 N7300 MCE 06/14/2002 DS

Page 2 of 3

CITY_21MC100_003031145

NYC-WTC_000199075