Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
NYC-WTC_000105988–000105989Folder label: “250 BROADWAY; Block: 124 Lot: 24 BIN: 1001408 245 Broadway, 2-4 Murray St. 1-7 Park Pl, 239- 247 Broadway”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
10/01/2001 10:43 FAX 212 353 8306 ATC 11018/020
ATC Environmental, Inc. 104 East 25th Street New York, New York 10010 N.Y.C. Housing Authority Approved N.Y. State ELAP 410879 250 Broadway,*16th Floor ACCREDITED NVLAP Lab Code # 1187 New York, NY 10007 Report Date: 09/16/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY ITEM) with Tibor Identification by 8cicetcd-Arta Electron D4ffrection ($AM) and Eaesgy-Dispersive X-RAY Spectroscopy (EDS Methcdh A$ERA Final Rule, EPA Federal Register (40 CPR, Part 763), Vol. 52, No. 210, October 30, 1987
Sa le identification Analysis Parameters
P:ojcet/Sito; 250 Rroadway. NY. NY TW. Sample No.: 5312 - 59087 Floors 31. 27, 19, 8 Dare Received: 9 6 Grid Openings Analyzadt 4
Project Sample No.#13 Average Grid Opening:_ 106.00 um
Air volume: 1800 liters 5004 Total Area Anclyzeds 00
Filter Types MCP 25 — diem. Pore Size, 0.4$ um Analytical sensitivityi 22.2 s/mm2 Effective Areas 385 vvim 0.0048 s/ee
FIBROUS PARTICULATES ANALYZED Number Qhnarved CONCENTRATION Total single Matrix Total. Struct. . Filter Air Fibers Bundtoa Gushers Struct. Struct. ,=sum struct/mm12 struct/aa nee/m3
Chrysotilo Asbostoo 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0 Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A t:o Identification 0 0 C 0 0 0 0.0 0.0000 N/A
Totals (All Strvoturnd) 0 0 0.0 0.0000 N/A The estimated uncorteinty of thi0 araiyci5 is 1 standard deviation. -----------------------------------------'-
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Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type: None detected ••----------------------------
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The Analysis was 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
NYC-WTC 000105989
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NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174905
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174878
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174866
Laboratory data sheet documenting asbestos fiber counts from air samples collected on floors 15 through 17.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174896
Laboratory report documenting transmission electron microscopy analysis of air samples collected from floors 16-18 in October 2001.
4 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188684
Laboratory report detailing asbestos fiber analysis by TEM for air samples from a NYC Board of Education building.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174876
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174860
Laboratory data sheet documenting asbestos fiber counts from air samples collected on floors 12 and 14.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176450
ATC Environmental report on asbestos fiber analysis by TEM for exterior and interior samples collected at a school at 345 Chambers Street.
4 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188679
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a high school site in October 2001.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174906
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
Similarity score 0.988 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
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_000105958
Letter dated July 31, 2002, regarding conditions for a proposed license agreement at 250 Broadway.
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NYC-WTC_000105961
Report of environmental sampling and cleanup activities at 250 Broadway dated October 11, 2001.
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NYC-WTC_000105971
Report of transmission electron microscopy analysis for bulk samples from 250 Broadway dated September 16, 2001.
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NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
Filed in the same folder
NYC-WTC_000105990
Laboratory report detailing lead analysis results from dust wipe samples at 250 Broadway dated October 2, 2001.
Filed in the same folder