Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
NYC-WTC_000106077–000106100Folder 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
09/17/2001 00:36 2123533599 ATC ASSOCIATES INC - PAGE Ems/
ANALYSIS ATC ASSOCIATES INC. -- NOB Operator _-- Batch No. j ^ J~_ — Grid Boa No. / Date 'IC. / Sample No. ~1 -/ 2 Grid I.D. --
intersections = 1-3 i ers) F= Single Fiber (1-3 Amy=tee B= Bundle >3 fibers <1 fiber diameter a part) Crocidoli C= Cluster k>3 intersections) kntho =. Treme-i' M= Matrix Aetinc-i' NSD= No Structures Detected identification criteria. observed conforming to Positive diffraction pattern 020 reflections (= 6 ubjecti~ m For chrysotile: 7.3A spacing for (= 1./ s Oum 10 ecfiver -ap e)u e). S.U. spacing for the layer- line repeat 002 and 200 reflections. 130 streaks and presence of approxianate 3.5 ratio of nozn - t: r amphiboles: 5.3A layer -line repeat and For to layer -lire repeat distance. layer -line ;etle.tion spacing criteria. conforming to identification EDX spectrum observed diffraction. 4 fibers by electron Chryaotiestrea 14inimum Requirements: Identity 200 points layer -line (row) spacing with -line correct 020. spacing.002. 110. 130 and Am.pbibole: Correct 5.3A layer none. Amphibole: identify amphibole species by EI EDX Requirements: Chrysotile: gUANTITATION: Mean (N)' on: Grid 1: _ Grid 2: Estimated Percent Asbestos . X K)/G: Percent Asbestos in Subsample: (N
10 X 11 = 14 total % asb From PLM NOB ANALYSIS SHEET' 11 = residue asb % TEM and 14 = where 10 = total residue %, 100/total residue Also, 1% total asbestos = ~ioa:a;?u*~:ew a\CAL r
NYC-WTC 000106095
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NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 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 0.976
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
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.
11 shared non-person entities · 1 shared topics · similarity 0.981
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.
12 shared non-person entities · 1 shared topics · similarity 0.978
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.
6 shared non-person entities · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174879
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174899
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.973
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.
6 shared non-person entities · 1 shared topics · similarity 0.973
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.
6 shared non-person entities · 1 shared topics · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174903
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.972
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.
5 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000188691
Technical data sheet listing microscopic measurements and structural identification for samples analyzed by transmission electron microscopy.
Similarity score 0.960 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174897
Laboratory report containing transmission electron microscopy data and images for asbestos fiber identification from samples analyzed in October 2001.
Similarity score 0.959 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188722
Raw data sheet from ATC Associates containing transmission electron microscopy analysis details for asbestos fiber identification in air samples.
Similarity score 0.959 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174912
Laboratory transmission electron microscopy analysis report for sample 62009 dated October 23, 2001.
Similarity score 0.958 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188485
Laboratory report documenting transmission electron microscopy analysis of an air sample collected on October 30, 2001.
Similarity score 0.958 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174861
Detailed technical data sheet for transmission electron microscopy analysis of air sample 59653 from the September 2001 monitoring campaign.
Similarity score 0.958 (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_000106015
Chain of custody documentation for lead dust wipe samples collected at 250 Broadway in September 2001.
Cited alongside this record in an Ask answer
NYC-WTC_000146129
Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
Cited alongside this record in an Ask answer
NYC-WTC_000097203
Identifier page for a document within the DEP Box 33 collection related to environmental records.
Cited alongside this record in an Ask answer
Cited alongside this record in an Ask answer
NYC-WTC_000102902
Documentation tracking the collection and transport of lead wipe samples from unit ventilators at a World Trade Center site location.
Cited alongside this record in an Ask answer