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Analytical results for air samples, ATC Associates, Apr 2003

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Laboratory report containing analytical results for air samples collected at a New York City site in April 2003.

NYC-WTC_000175597
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NYC 9/11 Public Portal Document

Rpr 11 02 03:51p PSC 6ia-g21-9BG7 p. 8

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPWHVLAP1C1262-0 ■ NY DOWNEIAC 10903 •NJDEPPA020 • AIHAACCREDITATION NO. 100439 -PA QEP 00-353 •CT DPH Pl+0238 •NCDEMR 599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02040368 Client Reference: 19125-0290, Dust

Analyte Concentration Limit of Test Date .Analyzed Detection Method /Analyst (ug) ■ (mg/m’) ; (ppm) (ug)

Client ID: ATC-0406-M894-O1 Lab ID: -01.A Date Sampled: 4/6/02 Matrix; Filter AlrVol.{L): 1440 Total Particulate Matter 50.0 0.00347 50 N050O 04/10/2002 BSB

(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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CONFIDENTIAL, CITY_21MC100_003431868 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175597

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NYC-WTC_000175597Source: NYC Law Department, mirrored locally

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