NYC-WTC_000197623

NYC 9/11 Public Portal Document

p.37 Mar 29 02 08:263

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAWVLAP1012S2-0 •NY DOH/NEiAC 10903 •NJ DEP PA02t • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •CT DPHPH-D23B •NCDENR 699

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: M3-ATC-0320-STY Lab ID: -03A Date Sampled: 3/20/02 MatXx: Filter Air Vol.(L); 960 A'iurfiinum ~ 10 <0.00104 1 N7300 MCE 03/28/2002 AJB Cadmiul <0.21 <0.000208 0.2 N73iSl0 MCE 03/28/2002 AJB Ghromijm - 0.780 0.000813 0.2 N7301)i^CE 03/28/2002 AJB Cobalt <0.100 :0.000104 0.1 N7300 MCE 03/26/2002 AJB Copper <0.200 <8,000208 0.2 N7300 Ml 03/28/2002 AJB Iron <2.00 <0.150208 2 N7300 MCI 03/28/2002 AJB Lead <0.300 <0.000312 0.3 N7300MCE \ 03/28/2002 AJB Magnesium <1.30 <0.001 1.3 N7300 MCE 03/28/2002 AJB Manganese <0.300 <0.00031 0.3 N7300 MCE 03/28/2002 AJB Molybdenum <1.00 <0.00104 1 N7300 MCE 03/28/2002 AJB Nickel <0.200 <0.000208 0.2 N7300 MCE 13/28/2002 AJB Zinc <0.500 <0.000521 0.5 N7300 MCE 03/28/2002 AJB

tSilmt ID: M4-ATC-0320-STY, Blank LabID:-04A Date Sampled: 3^02 Matrix: Filter Air \\ol.(L): NA

Alumii im 1.16 1 N7300 MCE "os^zs^to AJB Cadmiui <0.200 0.2 W7300 MCE 03/28/20132 AJB 03'28'203^ AJB Chromium <0.200 0.2 N7300 MCE 03/2B/2002\ AJB Cobalt 1.100 J N7300 MCE Copper 0.1 14 0.:^ N7300 MCE 03/28/2002 VjB

iron <2.01 2 N7300 MCE 03/28/2002 AJB Lead 0.363 0.3 N730O MCE 03/26/2002 AJB^, Magnesium <1.30 1,3 17300 MCE 03/28/2002 AJB Manganese <0.300 0.3 N7300 MCE 03/28/2002 AJB Molybdenum <1.00 1 N7300 MCE 03/28/2002 AJB Nickel <0.200 0.2 N7300 MCE 03/28/2002 AJB <0.500 ■WA300 MCE. 03/28/: IB

Client ID: ATC-032I-STY-DUST Lab ID: -05A Date Sampled; 3/21/02 Matri.v: Filter Air Vol.(L) Total Particulate Matter <50.0 <0.00347 50 N0500 03/25/2002

Cli^T"^D : Hgl-ATC-0320-^T^ Lab ID: -O^CX^ate Sampled: Matrix: Airyot/L): 96 Mercu 033^^ 0.000^56 y ON N^OBM '\,^_^_^^J)3^27/200^'■'^^QcZ-•—'

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NYC-WTC_000197623