NYC-WTC_000222467

NYC 9/11 Public Portal Document

• Jun 27 02 04; 17p PSC BlO-921-9GG7 r•

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INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC smwES •EPANVLAP101262-C • AHAACCREOITATIONNO. 100439 • NY DOWNEIAC10903 "PACEPOMSS .NJ DEP PAD20 •CT OPH PH-0238 •NCOENR599 Analytical Results for ATC Associates WorkOrder: RO2060827 Client Reference: 19125-0297, Mercury

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (mg/m*) ; (ppm) (ag) Client ID: ATC-0620-89M-Hgl Lab ID: -01A Date Sampled: 6/20/2002 Matrix: HTBE AirVoLfL): 120 Mercury 0.0327 0.000272 0.01 N6009M 06/27/2002 JDC

Client ID; ATC-0620-89M-Hg2 Lab ID: -02A Date Sampled; 6/20/2002 Matrix; HTBE AirVoI.{L): 120 Mercury 0.0320 0.000267 0.01 N6009M 06/27/2002 JDC

Client ID; ATC-0620-89M-Hg3 Lab ID: -03A Date Sampled: 6/20/2002 Matrix: HTBE Air VoI.(L): 120 Mercury 0,0323 0.000269 0.01 N6009M 06/27/2002 JDC

Client ID: ATC-0620-89M-Hg4 Lab ID: -04A Dale Sampled: 6/20/2002 Matrix: HTBE AirVol.(L); 120 Mercury 0.0324 0.000270 ...0.01 N6009M 06/27/2002 JDC ..'I

Client ID: ATC-0620-89M-Hg5 Lab ID: -OSA Date Sampled: 6/20/2002 Matrix: HTBE AirVol.(L): NA Mercury 0.0330 0.01 N6009M 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_000222467