NYC-WTC_000228292

NYC 9/11 Public Portal Document

1ar 27 02 10:ISa PSC Rnalytical Services 6109219667 p. 24

r’SCZ INDUSTRIAL HYGIENE •EPAINVIAP1012B2-0 • AIHA ACCREDIIATION NO. 100439 •NCDENRSeS ENVIRONMENTAL TESTING •NY DOHWELAC10903 •PADEPDS-3E3 •NJ DEP PAO/C ■CT DPHPI+O23E

ANALYTICAL SERVICES Analj'tical Results for ATC Associates

WorkOrder: R02030814 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date .Analyzed Detection Method /Analyst (“B) ' (mg/m’) ; (ppm) (ug)

JJlicntlD: .Y3 ATC-03 I4-S9M Lab ID: -03A Date Sampled: 3/14/02 Matrix: Filter Air Vol,(L); I2!1O 'Aluminum <1.00 <0.000833 1 N7300 MCE 03/25./2002 TH Cadmium <0.200 <0.000167 0,2 N7300 MCE 03/25/2002 TH '.Ctiromium 0.552 0.000460 0.2 N7300 MCE 03/25/2002 TH jCobatt <0.100 <0.0000833 0.1 N7300 MCE 03/25/2002 Tri Copper <0.200 <0.000167 0.2 N7300 MCE 03/25/2002 TH non <2.00 <0.00167 2 N7300 MCE 03/25/2002 TH -Lead 0.357 0.000298 0.3 N7300 MCE 03/25/2002 TH Klagnesium <1.30 <0.00108 1.3 N7300 MCE 03/25/2002 TH Manganese <0.300 <0.000250 0.3 N73O0 MCE 03/25/2002 TH Molybdenum <1.00 <0.000833 1 N7300 MCE 03/25/2002 TH i^ickel <0.200 <0.000167 0.2 N73O0 MCE 03/25/2002 TH ..T^c <0.500 <0.000417 0.5 N7300 MCE 03/25/2002 TH

LTicntlD: M4 ATC-0314-S9M Lab ID: -04A Date Sampled: 3/14/02 Matrix: Filter AirVol.(L); l20v

L uminum <1.00 <0.000833 1 N7300 MCE 03/25/2002 TH t^dmium <0.200 <0.000167 0.2 N7300 MCE 03/25/2002 TH ^^pnromium 0.656 0.000547' 0.2 N7300 MCE 03/25/2002 TH Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/25/2002 TH popper <0.200 <0.000167 0.2 N7300 MCE 03/25/2002 TH ^on <2.00 <0.00167 2 N7300 MCE 03/25/2002 TH

0.308 0.000256 0.3 N730O MCE 03.'25/2002 TH (lagnesium <1.30 <0.00108 1.3 N7300 MCE 03/25/2002 TH .Manganese <0.300 <0.000250 0.3 N7300 MCE 03/25/2002 TH Molybdenum <1.00 <0.000833 1 N7300 MCE 03/25/2002 TH

Nickel <0.200 <0.000167 0.2 N7300 MCE 03/25.'2002 TH <0.500 <0.000417 0.5 N7300 MCE 03/25/2002 TH It®

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NYC-WTC_000228293