NYC-WTC_000226980

NYC 9/11 Public Portal Document

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INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPA/NVLAP101262-0 • NY OOH/NELAC 10903 •NJOEP PA020 •AIHA ACCREDITATION NO. )00439 • PA DEP 06-353 ■ CT OPH PH-0238 ■ •NCDENR 5SS

ANALYTICAL SERVICES A.nalytical Results for , ATC Associates WorkOrder: RO2O3O993 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (t*g) (mg/m’) ■ (PPni) (ug)

Client ID;. M3-ATC-0320-STY Lab ID: -03A Date Sampled:3/20/02 Matrix: Filter Air Vol.(L): 960 Aluminum <1,00 <0.00104 1 N7300 MCE 03/28/2002 AJB. Cadmium <0.200 <0.000208 0.2 N73O0.MCE 03/28/2002 AJB ’Chromium 0.780 0.000813 0.2 N73O0 MCE 03/28/2002 AJB Cobalt <0.100 <0.000104 0.1 N7300 MCE 03/28/2002 AJB Copper <0.200 <0.000208 0.2 N73O0 MCE 03/28/2002 AJB Iron <2.00 <0.00208 2 N7300 MCE 03/28/2002 - AJB I Lead <0.300 <0.000312 0.3 N7300 MCE 03/28/2002 AJB Magnesium <1.30 <0.00135 1.3 N7300 MCE 03/28/2002 AJB Manganese . <0.300 <0.000312 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 03/28/2002 ■ AJB Zinc <0.500 <0.000521 0.5 N73Q0 MCE 03/28/2002 AJB '

. Client ID: M4-ATC-0320-ST\^*Blanl^ Lab ID: -04A Date Sampled: 3/20/02 Matrix: Filter AirVoL(L):NA

------ Aluminum 1.16 1 N7300 MCE 03/28/2002 AJB Cadmium <0.200 0.2 N73OO MCE 03/28/2002 AJB Chromium <0.200 0.2 N7300 MCE 03/28/2002 AJB Cobalt <0.100 0.1 N73Q0 MCE 03/28/2002 AJB Copper • 0.684 0.2 N7300 MCE 03/28/2002 AJB iron <2.00 2 N7300 MCE 03/23/2002- AJ0

0.363- 0.3 N73O0 MCE 03/28/2002 ■ AJB Magnesium <1.30 - 1.3 N7300 MCE 03/2S/2QQ2 . AJB .Manganese <0,300 0.3 N7300 MCE ' 03/28/2002 AJB ■ Molybdenum <1.00 1 N730O MCE 03/28/2002 AJB Nickel. <0.200 0.2 N73O0 MCE 03/2S/20O2 AJB Zinc <0.500 0.5 N7300 MCE 03/28/2002 AJB

Client ID: ATC-032I-STY-DUST Lab ID; -OSA Date Sampled^J/iyOZ Macri.x; Filter ' Air Vol.(L): 1440

/X/ O^ro 0.0C039tS^ - 03/276elJ2 JDC

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