Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
NYC-WTC_000104027–000104320Folder label: “105 DUANE ST 1001650, 151/1”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
I TEM ANALYSIS 1 ATC ASSOCIATES INC. - LAB GROUP #1 5762 - 10/25 /01 Operator mm Filter Type MCE 25 Lab Sample No. 62258 Filter Area 3 5 m 2 ~ (l / Disk No. Client Sp1. No. 44 Grid I.D. Comments Instrument I.D. EM 10 CRX GO Area 0.011 - Corspd to 70 s/mm"2 ' Screen Magnification 16 400X ( 4 721 Struct No. GO to be Analyzed 6 Acc. Voltage 80 kV / EDS t/ Length I.D. of Structure N Or (Nonasb. Structura Type Ambig./ND Elemen th GO. Structure ~O g um ~y Sum Chr s. Amphibole Nonasb. No Coord. 0. F B C M < 5 urn
I z 1 1 1 1 1 1 1 I 6DS Check diffraction for beatoa m (1st 4) ape ~ D
asbastw- ldentif all structures usin structures u to 70s in S 7 Grid acceptance: PhoW No. (from 1samples) containing <5O% undissolve r, overlapPed or foide To- coverage >50% coveragesquares Aspect Ratio <50% particulate overlapped grid Struct = > 0.5um & > 5:1 diffraction pattern) at least 20 unfolded or spec~at or <57G holes or opaque areas N= Not Observed (SOS conforming Pattern PraPerUn Unused Portion Positive diffraction identification criteria observed. of filter Chrysotile to laboratory for (020) nflsctions. added porn spaaolaa For ehryeaUle: 0.79nm We leper line repeal atraltlog of filler 0.59am spacing for renecuais. (2mm amide) Amphibole of (110) and (130) approi. Part of filter amPblboln: 0.09"m layer tine repast. and to Lion o f to eymlaaLLon For Dora-urinned ( .0 layer lies • Mt spasms 3.5 ratio of.peat dletan i ( 09nm). Ambiguous layer line to laboratory MPHIBOLES 6Ds . from conforming observed. IdenU lcaUcn criteria AfnOeite I Fiber (1-3 I e diameter ' 1-3 fibers) ~ Zem m fitter Crocidolite Non —asbestos p= Single die apart) h Ilite B= Bundle (>3 fibers<11 fib er 4tuomne Awe+: FA ntho _ P y
NYC-WTC 000104135
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NYC-WTC_000104321
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
27 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
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 0.979
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.
6 shared non-person entities · 1 shared topics · similarity 0.979
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.
12 shared non-person entities · 1 shared topics · similarity 0.978
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.
6 shared non-person entities · 1 shared topics · similarity 0.978
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 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174865
Laboratory data sheet documenting asbestos fiber counts from air samples collected on floors 15 through 17.
6 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174877
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 0.977
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.
6 shared non-person entities · 1 shared topics · similarity 0.976
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 0.976
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174850
Laboratory data sheet documenting asbestos fiber counts from air samples collected on multiple floors.
5 shared non-person entities · 1 shared topics · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174893
Laboratory report documenting transmission electron microscopy analysis of air samples collected from the lobby and 16th floor in September 2001.
6 shared non-person entities · 1 shared topics · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000188668
Laboratory report documenting transmission electron microscopy analysis of asbestos samples collected from a New York City Department of Education site in October 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188641
Laboratory report from ATC Associates documenting transmission electron microscopy analysis of air samples for asbestos fibers.
Similarity score 0.986 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182572
Laboratory report detailing transmission electron microscopy analysis of asbestos fibers from a sample collected on October 19, 2001.
Similarity score 0.986 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.986 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174873
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 28, 2001.
Similarity score 0.985 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176408
Detailed laboratory data sheet recording transmission electron microscopy observations and measurements of collected samples.
Similarity score 0.985 (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_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
Cited alongside this record in an Ask answer
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
Cited alongside this record in an Ask answer
NYC-WTC_000139712
Series of emails forwarding a draft memo between DEP staff members for review and finalization.
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Agenda listing panelists from federal agencies, unions, and city departments for a March 2004 conference on post-9/11 air quality.
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NYC-WTC_000164732
Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
Cited alongside this record in an Ask answer