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
ATC ASSOCIATES INC. - TEM ANALYSIS I LAB GROUP #: 5762 - 10/25/01
I Filter Type MCE 25 mm Operator Lab Sample No. 62242 _ Filter Area 38 2 6n Client Spl. No. 28 Disk No. Grid I.D. Instrument I.D. EM 10 CRX Comments (GO) Area 0.01124 mm"2 Corsod. to 70 s/mm 2. i
I Screen Magnification 16,400X 1 4.721 Struct. Nc. GO to be Analyzed o Acc. Voltage 80 kV EDS I.D. of Structure N ✓ (Nonasb. swewre Type Length g Structure GO. >j0.5 um 5um Chr s. Amphibole Nonasb. Ambig./ND Elements No Coord. No. F B C M < 5 um >.
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I I J Identify all ° (let 4) Photo No. (from 1 in S aebaatoa- 5" Grid acceptance: ■t* containing samplaa) <SO% undissolve er, o To a s I I Aspect Ratio coverage >50% coverage Slruct. _ > 0.5um 81 > 5:1 I i0% particulate erlapped grid equates leastr or diffraouon Pattern) N= Not Observed (BDS spectrum at unfoldeude osreae 20 or Positive diffraction pattern criteria properties conforming observed. Unused Portion to laboratory identification of filter Chrysotile 0.70em ■p.elot fer (020) reflections. Amlded portion For chry oils: lap■r Ucc repeat, streaking 0. nm sWaint for tbs of fil!■r 0.250m) and (I30) r■n.euona. of (1 Portion of niter (2mm side) Amphibole For amphiboles: 0 ins spear. and approx. m layer Iles■ ■pot ■pacing ■Apices 3.5 ratio of non-twinned taper eaaminaUea layer line repeat distance (0.W M)• Ambiguous to laboratory AMPHIBOLES BDS specwm conforming Idenuflcation criteria observed. Amosite F= Single Fiber (1-3 intersections = 1-3 fibers) 25mm nits Crocidolite Non —asbestos B= Bundle (>5 fibers <i fiber diameter apart) Anthophyllite Bteppmg a~.ee: C= Cuter (>9 Intersection■) Tremolite ~~ . set 4 CO lion -identified NYC-WTC 000104119
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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_000174874
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 28, 2001.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174918
Laboratory transmission electron microscopy analysis report for sample 62031 dated October 23, 2001.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188637
Laboratory report documenting transmission electron microscopy analysis of asbestos fiber samples from a New York City school site.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188661
Laboratory report from ATC Associates documenting transmission electron microscopy analysis of air samples for asbestos fibers.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174898
Laboratory report containing transmission electron microscopy data and images for asbestos fiber identification from samples analyzed in October 2001.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174911
Laboratory transmission electron microscopy analysis report for sample 62002 dated October 23, 2001.
Similarity score 0.987 (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.
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.
Cited alongside this record in an Ask answer
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