ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
NYC-WTC_000176422
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ATC Environmental, Inc. 104 East 25th Street New York, New York 10010 N.Y.C. Board of Education Approved N.Y. State ELAP #10875 28-11 Queens Plaza North ACCREDITED NVLAP Lab Code # 1187 Long Island City, NY 11101 Report Date: 10/16/01
ASBESTOS FIBER ilNALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber IdentificaLi&r, by Selected-Area Electron Diffraction ISASD) and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: ?HERA Final Rule, SPA Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1987
Sample, Ide nt i :£lcation Analysis Parameters
Project/Site: New Stuyvesan-. H.S., 345 Chambers St., NY, NY TEM Sample No,: 5709 61434 Exterior & Interior of Building Roof Date Received: I 0/16/D1 Grid Openings Analyzed:__ 4
Project Sample No . ; Average Grid Opening :
Air Volums: 1899 liters Total Area Analyzed: 0,0450 mm2
Filter Tyoe: mCE 25 mm dian., Pore Size: 0.45 urn Analytical Sensitivity: 22.2 s/mm2 Effective A-re; : 38 5 inm2 0-0045 s/cc
FIBROUS PARTICULATES ANALYZED Number, Observed CONCENTRATION Total Single Matrix Total struct. Filter Air Fibers Bundles Clusters Struct. Struct >=5um Struct/mrri2 Struct/cc ngm/m3
Chrysctil€> Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 0 o.c 0.0000 0
Ambiguous 0 0 0 0 0 0 0.0 O.C'OOO 0
Total asbestos (includes amciguous structures) 0 0 0.0 0 . ocoo 0 Non-Asbestos (3 0 0 0 0 0 0.0 0.0000 N/A No Identification 0 0 0 0 0 0 0.0 0.0000 N/A
Totals (All Structures) 0 0 0.0 0.0000 N,'A The estimated uncertainty o:: this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type: None detected
The Analysis wa.s carried out in accordance with the approved TEM method. This laboratory is in compliance with the quality specified for the method.
Analyzed by; Report Reviewed by;
Roman Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CONFIDENTIAL, CITY_21MC100_003470060
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176422
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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.
NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
Similar indexed content
Similar indexed content
Similar indexed content
Similar indexed content
Similar indexed content