NYC-WTC_000220645

NYC 9/11 Public Portal Document I I f- I ■_UI-

INDUSTRIAL HYGIENE ENVIRONMENTAk TESTING •EPAiWlAP101262-a • NY OOHNELAC10903 • NIDEP PAfl20 - AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 • CT DPH PH-0238 •NCDENR599 Analytical Results ANALYTICAL SERVICES for ATC Associates WorkOrder: R02040887 Client Reference: 19125-0297, Mercury

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (ing/m») : (ppm)

Client ID: Hgl ATC-04I8-89IVI Lab ID: -01A Date Sampled: 4/18/02 Matrix; HTBE AirVol.(L): 120 Mercury 0.0310 0.000258 0,01 N6009M 04/25/2002 JDC

Client ID: Hg2 ATC-0418-89M Lab ID: -02A Date Sampled: 4/18/02 Matrix: HTBE AirVol.(b): 120 Mercury 0.0270 0,000225 0.01 N60O9M 04/25/2002 JDC

Client ID: Hg3 ATC-0418-89M Lab ID; -03A Date Sampled: 4/18/02 Matrix: HTBE AirVoKL): 120 Mercury 0.0290 0.000242 - 0.01 N6009M 04/25/2002 JDC

Client ID: Hg4 ATC.04t 8-89M Lab ID; -04A Date Sampled: 4/18/02 Matrix: HTBE AlrVoML); 120 Mercury 0,0290 0,000242 0,01 N6009M 04/25/2002 JDC

Client ID; Hg5 ATC-0418-89M LabID:-05A Date Sampled: 4/18/02 Matrix: HTBE Air Vol,(L); NA Mercury 0.0350 0.01 NOOOgM 04/25/2002 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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CITY_21MC100_002886496 NYC-WTC_000220645