Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
NYC-WTC_000105975–000105987Folder 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 10:42 FAX 212 353 8306 ATC la015/020
ATC Environmental, Inc. 104 East 25th Street New York, New York 10010
N.Y.C. Housing Authority Approved N.Y. State ELAP #10879 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 (TEM) with Fiber Identification by selectod-Ares Electron Diffraction (SAED) and Snorsy-Dispersive X-RAY spectroscopy ZEDS) Method: AMMA Final Rule, EPA Federal Register (-10 CFR, Part 7631, Vol. 53, No. 210, October 30, 1987
Sample Identificatior Analysis Poramehers
Frojcct/Site: 250 Erordvay. NY. 'NY TI Samplo No.: 5512 - 55084 Floors 31, 27, 19 a Date Received: 09/16/01 Grid Openings Analyzed: 4
Projoct sample No.:10 Average Grid Opening: 106.00
Air Volume: 1800 liters Total Area Analyzed: 0.0-150 mma
Filter Typo: 5t 25 mm diam.. Pere size: 0.45 um Analytical Soxsitivity:„ 22.2 s/mm2, Sffcctive Area: 38S mm2 0.0048 5/cc
--------------------------------------------- ------------------------------------------------------ I)3ROUS PARTICULATES _ ANALYZED Nuatber observed CONCENTRATION Total Single matrix Total. struct. Filter Air F3brr. Bundles Clusters struct. Stunt. ,=sum Struct/51n2 Struct/cc Dam/m7
Chryaotile Asbestos 0 0 0 0 0 0 0.0 0.0000 0
0.0 0.0000 0 Ampbibolc AObestoe 0 0 0 0 0 0
Ambisueus 0 0 0 0 0 0 0.0 0.0000 0
Total asbootoa (includes ambiguous structures) 0 0 0.0 0.0000 0
Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A
No Identification a 0 a 0 0 0 0.0 0.0000 N/A
Totals (Al]. structures) 0 C 0.0 0.0000 R/A
The estimated vacertainty of this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected -- -
Amphibole Asbestos Type: None detected ---------•------------------------------
----------------------------------------------------------------------------:
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 000105986
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NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
8 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105988
Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
6 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104321
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
6 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000129725
Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
4 shared non-person entities · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107927
Laboratory report from ATC Associates detailing transmission electron microscopy results for air samples collected at a WTC cleanup site.
3 shared non-person entities · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107682
Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.
4 shared non-person entities · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
4 shared non-person entities · 1 shared topics · similarity 0.954
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107625
Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.
4 shared non-person entities · similarity 0.954
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107331
TEM analysis report of air samples for DEP cleanup project at 125 address, performed per AHERA methodology for abatement clearance.
4 shared non-person entities · 1 shared topics · similarity 0.954
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107288
Automated fax transmission journal record from the New York City Department of Environmental Protection dated October 23, 2002.
3 shared non-person entities · similarity 0.953
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NYC-WTC_000105958
Letter dated July 31, 2002, regarding conditions for a proposed license agreement at 250 Broadway.
Filed in the same folder
NYC-WTC_000105961
Report of environmental sampling and cleanup activities at 250 Broadway dated October 11, 2001.
Filed in the same folder
NYC-WTC_000105971
Report of transmission electron microscopy analysis for bulk samples from 250 Broadway dated September 16, 2001.
Filed in the same folder
NYC-WTC_000105988
Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 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