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NYC-WTC_000226967

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NYC 9/11 Public Portal Document

PSC Analytical Services 6109219GG7 P- 5 Feb 27 02 O^xOSp

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPWNVLAP101262-0 ’ «NY DOH/NEIAC10903 •NJ DEPPAD20 ■ AIHA ACCREDITATION NO. 100439 • PA DEP 05-353 «CT OPH PH-0238 •NC DENR599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R62020733 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analj-zed Detection Method /Analyst («g) (mg/m’) : (ppm) (ug) Client ID: DustI ATC-0220-STY Lab ID: -OlA Date Sampled: 2/20/02 Matrix: Filter AirVol.(L): 1440 Total Particulate Matter 130 0.00903 = 50 N0500 02/21/2002 TEN

(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_000491055 NYC-WTC_000226967

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NYC-WTC_000226967Source: NYC Law Department, mirrored locally

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