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NYC-WTC_000196476

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000196476–000196478
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NYC 9/11 Public Portal Document

1■ 6109219667 p ■ " 1 let 28 02 09:193 PSC Analytical Services

INDUSTRIAL HYGIENE ENVIRONNIENTAL TESTING • EPAINVLAP1012S2-0 • NY DOH/IslELAC 10903 ■ NJ 0£P PA020 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •CT DPHPH-Q23e • NC DENR 59S Analytical Results AKABYTICAL SERVICES for ATC Associates WorkOrder: R02O20567 Client Reference: 19125-0246

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (“g) (mg/m") : (Ppm) (ug)

LilicntlD: ATC-O213-STUY-S13 Lab ID: -13A Date Sampled: 2/13/02 Matrix; Filter Air Vol.(L): NA

’ otal Particulate Matter <50.0 50 N0500 02/20/2002 ADM

Crystalline Silica <10.0 10 Crystalline Silica 02/20/2002 ADM

JaJ Analysis indicates passible breakthrough; back section result is greater than 0% of the front section result.

'jcnera! Notes: Less than the indicated limit of detection (LOD). Information not available or not applicable. .3ack sections were checked and showed no significant breakthrough.

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CITY_21MC100_003041581

NYC-WTC_000196478

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NYC-WTC_000196478Source: NYC Law Department, mirrored locally

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Air sampling analytical results, Feb 2002

NYC-WTC_000175781

Laboratory report page containing analytical results for air samples collected by ATC Associates for the NYC Board of Education.

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