4 shared non-person entities · 1 shared topics · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
Air sampling analytical results, May 2002
Machine-extracted title · confidence 90%Laboratory report page containing analytical results for air samples collected by ATC Associates for the NYC Board of Education in May 2002.
NYC-WTC_000175786–000175788Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
nay c;a uc: lutocia oiu-aci-ooD / r-
ENVIRONMENTAL TESTING ANALYiniCAL INDUSTRIAL HYGIENE • EPAWLAP 1012€2-0 • NY DOWNELAC10903 < NJ DEP PAO20 •AIHAACCREOITATION NO. 100439 • PA DEP 06-353 • CT DPH PH.0238 •NCOENR 599 Analytical Results for ATC Associates WorkOrder: R02050660 Client Reference: 19125-0246, Silica
Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (mg/m’l ; (ppm) (ng)
Clien 11D: aTC-05 15-STY-S13 Lab ID: -I3A Date Sampled: 5/15/02 Matrix; Filter Air Vol.(L).- NA
Total Particulate Matter <50.0 50 N0500 05122^2002 ADM
Silica (Quartz Total) <10.0 10 AIRBORNE SILICA 05/22/2002 ADM
(a) Analysis indicates possible breakthrough; back section result is greater than 0% of the front section result.
General Notes: <: Less than the indicatiaJ limit of detection (LOD). —: Information not available or not applicable. Back sections were checked and showed no significant breakthrough.
Page 3 of 3
CONFIDENTIAL, CITY_21MC100_003433168 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175788
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NYC-WTC_000175788Source: NYC Law Department, mirrored locally
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