NYC-WTC_000226237

NYC 9/11 Public Portal Document

Jun il/ Uc! U9i45p PSC 610-921-9667 P- 4

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC • EP/WLAP101262-0 • NY DOHTNELAC10903 • NJDEP PAO20 • AJHA ACCREDITATION NO. 100439 •PADEP06353 • CTDPHPH-a238 •NCDENRS99 Analytical Results for ATC Associates WorkOrder: R02060864 Client Reference: 19125-0290, Mercury

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) (mg/m’) ; (ppm) (ue) Client ID; ATC-0621 -M894-Hg 1 Lab ID: -01A Date Sampled: 6/21/2002 Matrix: HTBE AirVol.(L): 120 Mercury 0.0316 0.000263 0.01 N6009M 06/27/2002 JDC

Client ID: ATC-0621-M894-Hg2 Lab ID: -02A Date Sampled: 6/21/2002 Matrix: HTBE AirVol.(L): 120 Mercury 0.0306 0.000255 0.01 N6009M 06/27/2002 JDC

Client ID: ATC-0621-M894-Hg3 Lab ID: -03A Date Sampled: 6/21/2002 Matrix: HTBE AirVol.(L): 120 Mercury 0.0311 0.000269 0.01 N6Q09M 06/27/2002 JDC

Client ID: ATC-0621-M894-Hg4 Lab ID: -04A Date Sampled: 6/21/2002 Matrix: HTBE Air Vol.(L): 120 Mercury 0.0280 0.000233 0.01 N6009M 06/27/2002 JDC

Client ID: ATC-0621-M894-Hg5 Lab ID: -OSA Date Sampled: 6/21/2002 Matrix: HTBE AirVol.(L): NA Mercury 00290 0.01 N600SM 06/27/2002 JDC

(a) Analysis indicates possible breakthrough; back section result is greater than 0% of the front section 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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NYC-WTC_000226237