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
I ATC ASSOCIATES INC. - TEM ANALYSIS LAE GROUP 4: 5770 - 10%26/01
L] Lao Sample No, 62559 Filter Type NCR 25 nm Operattr . L/
Client Spl No. H-5 Filter Area 3 8= mm
Instrument 1.D. EM 10 CRX Grid I.D Disk: Nc.
I Screen Magnificaoion 15,400E
Acc. Voltage 80 kV (GO) Area
No. GO oc be Anal.r=ed 0.01124 mm
4. Comments
S:r•ic` Ccsd -
GO. Structure Structure Type Length LD. of Structure EDS N or V/ (Nonasb. No Coord. No. F B C M -,O.5:: >. 5um Chrys. Amphibole Nonasb. Ambig./ND Elements 5
F —
—C--
I
I
t I
I
Li I
I
Photo No. (from 1 in 5 asbestos- Identify all structures using E1 cnacic dufracuen for asbestos Store all unrepeated spectra containing samples) Grid acceptance: structures up to 70s/Arm (let 4) I Struct. = 0.5um & > 5:1 Aspect Ratio <50% undissolved tutor, avertoppea <10% particulate :overage >50% coverage or tetaeu i 1 1.alsTotals N- Not Observed (EDS spectrum or diffraction pattern) at beat 20 unfol ed or overlapped grid squares <5% holes or o r ue areas C M >- 5um Positive diffraction pattern properties conforming I F B to laboratory identification criteria observed. , —Unused portion For chrysotile: 0.77nm ■pacing for (020) reflections. of inter Chrysotile I 0.37am spacing tar the layer line repeal. streaking of (l to) and (170) reflections. Avoided portion of tiller Far amphlbales: 0.83nm layer line repeal, and appre.. I1~\Portion of filter subject m l (2mm .Ids) Amphibole j I 0.5 ratio of non-t.inaed layer line spot spacing to layer line repeat distance (O.23nm). saammatlon
EDS spectrum conforming to laboratory Ambiguous identification criteria observed. AMPHIBOLES F= Single Fiber (1-3 intersections = 1-3 fibers) Amosite 3D Bundle (>3 fibers <1 fiber diameter apart) C= Cluster (>7 intersections) 23mm filter Crocidolite Non—asbestosi r~ Stopping Rules: L_..._, Anthophyllite Matrls NSD= No Structure. Detected I >e0 s/C_0. or to let 4 C.O. Tremolite Non —Identified I L•\DATA\PRIVATE\YIXEC\CAD0%77;k3 9/22/98 Actinolite
NYC-WTC 000104339
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
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 0.992 (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 ↗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 ↗NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000185608
Technical data sheet recording transmission electron microscopy parameters and structural identification details for an asbestos air sample.
Similarity score 0.991 (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 0.991 (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.
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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