4 shared non-person entities · 1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
Silica analysis results, Dec 2001
Machine-extracted title · confidence 90%Laboratory report page showing analytical results for silica samples collected by ATC Associates for the NYC Board of Education in December 2001.
NYC-WTC_000175789–000175790Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document 6109219667 P-5 Dec 26 01 10:30a PSC Analatical Services
INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPAWLAP 101262-0 ■NY DOUWE LAC 10903 •Ni QEP 77C20 ■AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 ■CT OPH PH.023e ■NC OENR 599
ANALYTICAL SERVICES .Analytical Results for ATC Associates WorkOrder: ROl 120280 Client Reference: 19125-0246: Silica tn Air
Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ■ (mg/tn’) ; (ppm) (ug)
Client ID: SI (. ATC-1213-STY Lab ID: -HA Date Sampled: 12/13/01 Matrix: Filter Air Vol.(L): 876 Total Particulate Matter <100 <0.114 100 TOTAL PARTICULAT 12/20(2001 ADW Silica (Quartz Total) <5 <0.00571 5 AIRBORNE SILICA 12/20/2001 ADM
Client ID: S12, ATC-I213-STy Lab ID; -12A Date Sampled: 12/'l 3/01 Matrix; Filter Air Vol.(L); 867 Total Particulate Matter 114 0.131 100 TOTAL PARTICULAT 12/20/2001 ADM Silica (Quartz Total) <5 <0.00577 5 AIRBORNE SILICA 12/20/2001 ADM
Client ID: S13, ATC-I2I3-STY, Blank Lab ID: -13A Date Sampled: 12/13/01 Matrix: Filter AirVol.(L): N A Total Particulate Matter <100 100 TOTAL PARTICULAT 12/20/2001 ADM Silica (Quartz Total) <5 5 AIRBORNE SILICA 12/20/2001 ADM (a) Analysis indicates passible breakthrough; back section result is greater than % 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.
Page 2 of 2
CITY_21MC100_003433195 CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175790
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000175790Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
NYC-WTC_000175061
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in December 2001.
4 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175063
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected on December 7, 2001.
4 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175065
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in early February 2002.
4 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175781
Laboratory report page containing analytical results for air samples collected by ATC Associates for the NYC Board of Education.
4 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175786
Laboratory report page containing analytical results for air samples collected by ATC Associates for the NYC Board of Education in May 2002.
4 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
No available related records indexed in this group.
More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175061
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in December 2001.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175063
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected on December 7, 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175065
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in early February 2002.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Others also read
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
Similar indexed content
NYC-WTC_000175061
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in December 2001.
Similar indexed content
Similar indexed content
NYC-WTC_000175063
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected on December 7, 2001.
Similar indexed content
NYC-WTC_000175065
Laboratory analytical results document from ATC Associates showing silica concentrations in air samples collected in early February 2002.
Similar indexed content