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
ATC @]009+020 10/01/2001 10:41 FAX 212 353_8306
ATC Environmental, Inc. 104 East 25th street New York, New York 10010 Approved N.X. State ELAP #10879 N.Y.C. Housing Authority ACCREDITED NVLAP Lab Code # 1187 250 Broadway, 16th Floor Report Date: 09/16/01 New York, NY 10007 ELECTRON MICROSCOPY EM ASBESTO FIBER ANALYS S BY TRANSMISS ON Dr+a^5Y-Diaporva X-2tAY Spectroscopy (IDs) -Area Electron Diffraction ( BD) and uith Tiber Sdcnt.Ltication by selected lro. 210, ectobor 30, 1957 Rogioter (40 CFR, Part 763), Vol. 52, Motbods ABSisa Final Rule. EPA Federal
Analysis Fa-amot5rn Sa l" Identificati23
TEM Sample NO.:_5512 59078 projoct/Site: 250 Areadwa doers 31. 27. 19. 8 (mid openings Aaa1yzed: 4 Date Receivods osJ:LsJ01 Average Grid Opening, 106.00 um rzojoct Sseple tic. s0 4
Total Area analyzed; 0.0450 aim' Air Volumot_1500 liters
Vora Size: 0.45 um Analytical Een3itivityI^22.2 s/am2 pilfer Types MCF. 25 sam diem•• 0.0048 9/00 EffoCtive Area: 383 M 2
•------------------'--------------- FIBROUS PARTICULATES ANALYZED CONCENTRATION Number observed Total Matrix Total. Struct. Filter Air Sicgle Struct. St ct. -5 StructlNO struct/ec eeMl i tl Pb or Bundles clustor++
0.0 0.0000 0 0 0 0 0 t'hryeotile Aabeutoe 0 0
o 0,0 0.0000 0 0 C 0 amphibole Asbestos 0 0
0 0 0.0 0.0000 0 Ambiguous 0 0 0 0 0 0 0.0 0.0000 0 Total asbestos (inclvden Ambiguous atructuro$) 0.0030 N/A 0 0 0 0.0 loon-A-best06 0 0 0 0.0000 N/A No Iduat3.fication 0 0 0 0 0 0 0.0 0.0 0.0000 N/A 0 0 Totals (All Structuros) thin analysis is 1 standard deviation. ---------- The estimated uncertainty of --`-------------------- detected Non-asbestos fiber i.d. (EDS/SAED): None Amphibole Asbestos Type: None detected -------------------------------------~ -------------------- ------------------------- - • ------------ with the approved TEM method. The Analysis was carried out in accordancequality specified for the metho( the This laboratory is in compliance with
Report Reviewed by: Analyzed by:
Michael A. Gorycki, Ph.D. Roman Peysakhov Director of Electron MicroscoPY
NYC-WTC 000105980
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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