NYC-WTC_000202095

NYC 9/11 Public Portal Document

S109219S67 p. 5 Feb 04 02 02:42p PSC Analytical Services

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPWNVLAP 101262-0 - ■ NY D0H/NELA3 10303 ■NJ DEP 77050 • AIHAAOCftEDITATIONNO. 100433 -PADEPOB-SOS -CT DPHPH-C233 ■ NC DEAR Sas ANALYTICAB SERVICES Analytical Results for ATC Associates WorkOrder: RC2O10604 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) : (mg/m’) i (ppm) (ug)

Client ID; M5 ATC-Ol 25-89.M Lab ID: -05A Date Sampled; 1/25/02 Matrix: Filter Air Vol.(L): NA Aluminum <1 .QG 1 N7300 MCE 02/03/2002 TH Cadmium <0.200 0.2 N'73OO MCE 02/03/2002 TH Chromium 0.491 0.2 N730a MCE 02/03/2002 TH Cobalt <0.100 0.1 N7300 MCE 02/03/2002 TH Copper <0.200 0.2 M7300 MCE 02/03/2002 TH Iron <2.00 2 N73C0 MCE 02/03/2002 TH Magnesium <1.30 1.3 N7300 MCE 02/03/2002 TH Manganese <0.300 0.3 N730D MCE 02/03/2002 ■■ TH Molybdenum <1.00 1 N73O0 MCE 02/03/2002 TH- Nickel. <0.200 0.2 N7300 MCE 02/03/2002 TH Zinc <0.500 0.5 N7300 MCE 02/03/2002 TH

(a) Analy.sis indicates possible breakthrough; back section result is greater than 0% of the front section result.

General Notts , ■ <: Less that ths indicated limit of detection (LOD). —: Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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