NYC-WTC_000228313

NYC 9/11 Public Portal Document

Mar 14 02 04:00p PSC Hnalytical Services 6109219GG7 p. 12

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAmAP1012624l •NYDOHiNELAC 10903 • NJDEP PA020 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-363 •CT DPH PH-0238 •NCDENR68S Analytical Results ANALYTICAL SERVICES for ATC Associates WorkOrder; R02030376 Client Reference; 19125-0297

Analyte Concentration Limit of Test Date Analj-zed Detection Method /Analyst (ug) • {mg/m’) : (ppm) (»B)

Client ID; HGl ATC-0307-89M Lab ID: -01A Date Sampled: 3/7/02 Matrix: HTBE AirVoI.(L): 120 Mercury 0.0370 0.000308 0.01 N6009M 03/14/2002 JDC

Client ID: HG2 ATC-0307.89M Lab ID: -02A Date Sampled: 3/8/02 Matrix: HTBE Air Vol.(L): I 20 Mercury 0.0360 0.000300 0.01 N6O09M 03/14'2002 JDC /((A V A lAc -A'o/'fL

CUent ID: HG3 ATC-0307-89M Lab ID: -03A Date Sampled: 3/8/02 Matrix: HTBE AirVoLfL): 120 Mercury 0.0370 0.000308 0.01 N60O5M 03/14/2002 JDC

Client ID: HG4 ATC-0307-89M Lab ID: -04A Date Sampled: 3/8/02 Matrix: HTBE Air Vol.(L): 120 Mercury 0.0370 0.000308 0.01 N60O9M 03/14/2002 JDC )£ oo/-

Client ID: HG5 ATC-0307.89M Lab ID: -OSA Date Sampled: 3/8/02 Matrix: HTBE Air Vol.(L): NA Mercury 0.0360 0.01 N6009M 03/14/2002 JDC

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

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

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NYC-WTC_000228313