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 1043 FAX 212 353 8308 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 #10879 250 Broadway, 16th Floor ACCREDITED NVLAP Lab Code # 1187 New York, NY 10007 Report Date: 09/16/01
ASBESTOS FIBER ANALYSIS BY TRNSMISSION ELECTRON MICROSCOPY (TEM) With Fibor Iduatiiieation by Solected-Area Electron Diffraction (SAE) and 2norgy-Dispersive X-RAY Spectroscopy (EDO) methods ALt8AA Final Rule, EPA Fedoral Register (40 CPA, Part 763). Vol. 52, No. 210, October 30, 1987
Saxsp3,c xdrntification AnalvaiC Parameters
Project/Sites 250 Arcadway. 'Y. NY TEK Sample No.i 5512 - 59085 Floors 31._27. 19, 8 Date Roeeivedt 0s 8 01 Grid openings Analyzodt 6
Project Sample No.t, Average Crid opening: 106.00 um
Air Volumme: 1500 liters Total Area Analyzedt 0.0450 mm2
Filter Typal MCE 2§ mm diem., Port Size: 0.45 t:n Analytical Sensitivity: 22.2 a/mm2 Effective Area:_385 mma 0.0045 s/cc
-----------------------'------------------ FIBROUS PARTICULATES ANALYZED ivmber observed CONCENTRATION Total Singlc matrix Tota1. struct. Filter Air Fibers 5und1ca Clusters Struct. struct. >-Sum Structhmm2 Struot/ec nom/m3
Chry£otile Asbestos 0 0 0 0 0 0 0.0 o.o0o0 0
Ampbiboie 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 awbotto£ (includes ambigueu£ structures) 0 0 0.0 0.0000 0 Non-Asbestos 0 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
Tatela (All. Structureal 0 0 0.0 0.0000 11/A The cotimated uncertainty 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 000105987
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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