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 GRCCP H. 5-?:. - 10/ 6 01
Lab Sample No. 6258? -:er Type MCE 25 mm C=rotor
Client Spl. No. 25 P_l:er Area 335 mm"2
Instrument I.D. EM 11 CRS Grid I.D. S 'Y DisK No.
Screen Magnificat_on 16,4001: GCI Area 0.01I24 mm"2 Comments
Acc Voltage 80 kV Mc. GO to be Analyzed 4.721 Struct 7oraou. to I0 simm"=
I EDS I GO. No Coord. Structure Structure Type No. F B C M >U.5 um < 5 um Length 5um >. Chrys. I.D. of Structure Amphibole N or,/
Nonasb. Ambig./NDI ElementH) (Nonasb.
I I I El I I I
-___L -r______________
Photo No. from 1 in 5 asbeatoa- IdenUfy all structures usin EDS Check diffraction far asbestos Store all unrepeated spectra
I containing samples) Strict. = > 0.5um dt > 5:1 Aspect Ratio Grid acceptance: <50% undissolve structures u to 70s cl i er. overiappe ar o e <10% particulate coverage >50% coverage N= Not Observed (EDS spectrum or d.ffracUan pattern) a t l eas t 20 unfolded or Quayle pped g rid sq uares <5S holes or opaque areas (lot 4)
- Totals Positive diffraction pattern properties conforming to laboratory identification criteria observed. Unused portion For ch O.TJnm s layer for epee r st e aking at filler Chrysotile apacm[ for Ne firer floe repeal, streaking 9.SDnm spacing Avoided perUon I of (110) and (150) refleotione. of filter For amphiboles: 0.33nm layer line repeat, and approx. Portion of filter (2mm -ado) • elect m Amphibole p
I i/= D.3 raUo at non-twanned Layer line spot spacing m II exammaUon layer line repeat distance (0.59nm). EDS spectrum conforming to laboratory Identification criteria observed_ i AMPHIBOLES Ambiguous F= Single Fiber (1-3 intersections = 1-3 fibers) Amosite Be Bundle (>3 fibers <1 fiber diameter apart) 25mm filter Crocidolite Non —asbestos C= Cluster (>5 intersections) Stopping Rulee: I Anthophyllite M= Matrix NSD= No Structures Detected >50 •/G.0. or In tit 4 O.O. Tremolite Actinolite Non —Identified L•\DATA\PRIVATE\MIKEO\CADO\TEYS 9/22/98
NYC-WTC 000104403
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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_000174870
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_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
Similarity score 0.985 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188682
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 0.984 (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 0.984 (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 0.984 (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 0.984 (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
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