Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
NYC-WTC_000104321–000104551Folder label: “105 DUANE ST 1001650, 151/1”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
1 ATC ASSOCIATES INC. - TEM ANALYSIS LAB GROUP #. 5710 - 1006 0: ,1 Lab Sample No. 6255 miter Type MCE 2S mm operator(- C' Client Sp1 No. H-2 Filter Area 333 mm" instrument L.D. EM 10 CRY Grid L.C. L! f Disk Nc. Screen Magnification 16,400:( (GO) Area 0. _-'-4 mm" Comments Acc. Voltage 90 kV No. GO to be Analysed o 4.72. Strum Corsad. fl s mr
GO. Structure Structure Type Length I.D. of Structure EDS N or,/ 30.5 um (Nonasb. No Coord. No. F B C M < 5 um 5um 'Chrys. Amphibole Nonasb. Ambig./ND Elements)
to 3 P -Ls
Is' I
I
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I
I Photo No. (from 1 in 5 asbestos- Th4nufy all structures ucing EDS containing samples) Check diffraction for asbestos Stare all unrepeated spectra J IGrid acceptance:I structures up to 70s trim (let 4) SLrucL = > 0.5urn & > 5:1 Aspect Ratio <50% und&aaolved filter, overlapped or (o1de4 <10x particulate coverage >50% coverage Totals N3 Not Observed (EDS spectrum or diffraction pattern) m t least 20 unfolded or overlapped grid squares <5% holes or opaque areas I F C >j 55 um V/ Positive diffraction pattern properties conforming B M to laboratory identification criteria observed. Unu■ed portion For ebryaetile: 0.73am spacing (or (020) reflections, of (titer Chrysotile 0.33nm spacing for the layer line repeat, streaking Avoided portion of (110) and (130) rerleettona. at filter For amphtbales: 0.53am layer line repeat. and apps.. Portion of (liter (2mm wide) 3.3 ratio of oon-tetnnad layer line spat .pactng to sttalveL to eeamtnatien Amphibole layer line repeat distance (0.33nm).
1 EDS spectrum conforming to laboratory identification criteria observed. F- Single Fiber (1-3 intersections = 1-3 fibers) Be Bundle (>3 fibers <1 fiber diameter apart) _ (>3 Interaectiona) 25mm filter 7 AMPHIBOLES Amosite Crocidolite Ambiguous g
Non —asbestos ~ Matrix lusts ybopptng awes: Anthophyllite
1 N50= Na Structures Defeated L\DATA\PRIVATE\NlKW\GDDVEM2 [ >3o 's/c.o. or to 1st 4 3.0.
9/22/98 L Tremolite Actinolite Non —Identified
NYC-WTC 000104336
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NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following 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_000102767
Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
25 shared non-person entities · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
19 shared non-person entities · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000131492
Chain of custody and cover letter for transmission electron microscopy analysis of air samples from apartments at 125 Liberty Street.
15 shared non-person entities · similarity 0.985
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.
11 shared non-person entities · 1 shared topics · similarity 0.981
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 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000098346
Cover page for a report containing TEM results and chain of custody documents for airborne asbestos monitoring.
11 shared non-person entities · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · similarity 0.971
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 0.971
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 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_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
Similarity score 0.993 (not a probability)
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.
Similarity score 0.993 (not a probability)
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.
Similarity score 0.993 (not a probability)
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.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174920
Laboratory transmission electron microscopy analysis report for sample 62041 dated October 23, 2001.
Similarity score 0.993 (not a probability)
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.
Similarity score 0.992 (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.
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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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Document outlining fire evacuation procedures and objectives for 7 World Trade Center.
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NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
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.
Cited alongside this record in an Ask answer