NYC-WTC_000199403

NYC 9/11 Public Portal Document

Aug 30 02 09:13a PSC 610-921-9GG7 p- a

INDUSTRIAL HYGIENE ENVIFONMENTAL TESTING FSC SERVICES ■ EPAhVLA? 101262-0 • W DOH/NE LAC 10903 ■ NJ OEP PA020 • CTDPHPH-02:8 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •NCDENR 599 Analytical Results for ATC Associates WorkOrder: R02080827 Client Reference: 19125-0341

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) {mg/ni’) ; (ppm) (ug)

Client ID; ATC-0823-2M-Hg 1 Lab ID: -OlA Date Sampled: 8/23/02 Matrix HTBE AirVol.(L); 120

Mercury 0.0282 0.000235 0.01 N6009M 08/29/2002 JDC

Client ID: ATC-0823-2M-Hg2 Lab ID; -02A Date Sampled; S/23/02 Matrix HTBE AirVol.(L): 120

Mercury 0.0306 0.000255 0.01 N6009M 08/29/2002 J DC

Client ID; ATC-O823-2M-Hg3 LabID:-03A Date Sampled: 8/23/02 Matrix: HTBE Air Vol.(L): 120

Mercury 0.0306 0.000265 0.01 N6009M 08/29/2002 JDC

Client ID: ATC-0823-2M-Hg4 Lab ID: -04A Date Sampled: 8/23/02 Matrix: HTBE Air Vol.(L): NA

Mercury 0.0280 0.01 N60O9M 08/29/2002 JDC

(a) Analysis indicates possible breakthrough; back section result is gre ater than 0% of the front sectio: i result.

General Notes; <; Less than the indicated limit of detection (LOD). Information not available or not applicable. Back sections were checked and showed no significant breakthrough.

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CITY_21MC100_003033785

NYC-WTC_000199403