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 LAB GROUP # 577. - 1 /20 01
Lab Sample No. 5253' FAter Type MC= 25 mm O peraror
Client Spi No. 2 3 Filter Area 335 mm"2
Instrument I.D. EM 10 CRX Grid I D sx No.
Screen Magnification 16,400X (GD( Area 0.0_124 mm"2 Comment;
Acc. Voltage 80 kV No. GO tc be Analyzed 4.721 Strtc= Corsod. to amm"
GO. Structure Structure Type Length I.D. of Structure EDS N or,/ ' (Nonasb. No Coord. No. >0.55 um F B C M < um > 5um IChrys.; Amphibole Nonasb. Ambig./ND Ele m ents
I I I I I I I I El] Photo No. (from 1 in 5 asbestos- Identify all structures using EDS Check diffraction for asbestos Store all unrepeated spectra - 1
I containing samples) Struct. = 3 0.5um & > 5:1 Aspect Ratio iGrisi acceptance: <50% undissolve structures up to 703 rim filter. overlapped or folded <10% particulate coverage >50% coverage N- Not Observed (EDS spectrum or diffraction pattern) lat least 20 unfolded or overlapped grid squares <5% holes or opaque areas I (let 4)
F B Totals C M - 5um Positive diffraction pattern properties conforming to laboratory Identification criteria observed. Unused portion
I For chryootile: 0.79nm ■ppactn` for (020) retleouons. Osanm epaetag for the layer llne repeat, streaking of (110) and (190) refiaeuena. Per amphiboles: 0.23nm layer line repeat, and approx. 3.3 ratio of non-twinned layer line spot spacing to I Portion m n of filter biectti esamma of filter ofotded portion of flltnr (2mm vide) rysotile
Amphibole layer line repeat distance (O.33nm).
I EDS spectrum conforming to laboratory identification criteria observed. F= Single Flber (1-9 intersections = 1-3 fibers) D= Rundle (>3 fibers <1 fiber diameter apart) C aatrix (>9 intersections) M= Cluster 29inm filter AMPHIBOLES Amosite Crocidolite Ambiguous
Non-asbestos , gipping Rules: L^ I Anthohhyilite
I NSD= No Structures Detected L.\DATA\ PRIVATE\MIICEG\CADO\TEM3 >30 s/0.3. or in let t C.O.
9/22/98 I Tremolite Actinolite Non- Identified
NYC-WTC 000104401
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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 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182614
Technical data sheet recording transmission electron microscopy parameters and structural identification for asbestos fiber analysis samples.
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_000188483
Technical log recording microscope settings, grid identification, and structure counts for asbestos analysis.
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 ↗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.
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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.
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