NYC-WTC_000208293

NYC 9/11 Public Portal Document

Sep 17 02 09:57a PSC BlQ-921-9GG7 P . o

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EP/UWtAP 101262-0 •NY DOH/NELAC 10903 • NJ DEP PA020 • AIHA ACCREDITATION NO, 100439 • PA DEP 0S-3E3 •CT OPH PH-0238 • NC DENR 599 Analytical Results for ATC Associates WorkOrder: R.02090390 Client Reference: M520

Analyte Concentration Limit of Test Date Analyzed Detection Method /A iialyst (ug) (mg/m^) : (ppm) (ug)

Client ID: ATC-09I l-M520-Hgl Lab ID: -01A Date Sampled: 9/1 1/2002 Matrix: Charcoal AirVol.(L): 120 Mercury ATq 0.0366 0.000305 0.01 N6009M 09/16/2002 JDC

Client ID: ATC-091 I-M520-Hb2 Lab ID: -02A Date Sampled: 9/11/2002 Matrix: Charcoal Air VoI.(L): 120 Mercury 0.0362 0.000302 0.01 N6009M 09/16/2002 JDC

Client ID: ATC-0911-M520-Hg3 Lab ID: -OSA Date Sampled: 9/11/2002 Matrix; Charcoal Air Vol.fL): 12(J Mercury 0.0350 0,000292 0.01 N6009M 09/16/2002 JDC

Client ID: ATC-091 l-MS20-Hg4 LabID;-04A Date Sampled: 9/11/2002 Matrix: Charcoal Air Vol.(L): NA

'Mercury 0.0325 0.01 N6009M 09/16/2002 JDC

(a) Analysis indicates possible breal through; back section result is greater than % of the front section result.

General Notes: <: Less than the indicated limit of d etection (LOD). Information not available or not applicable. Back sections were checked and shewed no significant breakthrough,

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NYC-WTC_000208293