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: ocr · source: ours
NYC 9/11 Public Portal Document ATC ASSOCIATES INC. — TEM ANALYSIS LAB GROUP #: 5761 - 10/25/01 62191 Filter Type MCE_25_ mm Operator Lab Sample No. Filter Area 385 mm“2 Client Spl. No. 18 EM_10_CRX Grid I.D. FES, 7 Disk No. re Instrument I.D. Screen Magnification 16,400X (GO) Area 0.01124 mm*2 Comments Ace. Voltage go kV No. GO to be Analyzed _6 (4.721 Struct. Corspd. to 70 s/mm GO. | Structure [Structure Type Length LD. of Structure N or“ (Noaesb No|Coord.| No. {Fi BIC |M 20.5 um | »5um |Chrys| Amphibole | Nonasb. |Ambig./ND| Elements 4/4 Wf? HE Ta) sivb uf LS +G6\| 4 S|QZi f TC XZ 4 (obs No. (from 1 in S asbestos— Identify all structures using EDS Chec! 1 k diffraction for asbestos Store ail unrepeated spectra —~ to 70a/thm (lst 4) containing samples) Grid acceptance: “34 = . ¢ < undissolved pr, overlapp: d * Struct. > O.5um & > 5:1 Aspect Ratio <10% particulate coverage >S0% coverage Totals Nw Not Observed (EDS spectrum or diffraction pattern) jat least 20 unfolded or overlapped grid squares V2 Positive diffraction pattern properties conforming <5%_holes_or opaque areas to laboratory identification criteria observed. for _chry 0.73nm for (020) reflections, 0.85nm spacing for the layer line repeat, streaking of (116) and (130) reflections, For amphiboles: 0.S3nm layer line repeat, and approx. 3.5 ratia of non-twinned layer line spot spacing to layer line repeat distance (6.83nm). F B C M > 5um omer Chrysotile Avoided portion of filter (2mm wide) Amphibole Portion of [filter subject to examination = EDS spectrum conforming to laboratory Ambiguous identification criteria observed. AMPHIBOLES Ps Single Fiber (1-3 intersections = 1-3 fibers) Amosite B= Bundle {33 fibers <1 fiber diameter apart) 23mm filter Crocidolite Non-asbestos ie aur >3 intersections) Stopping Rules: Anthophylilite NSD= No Structures Detected >80 9/G.0. or im lat 4 6.0. Tremolite _ spe J Actinolite Non-lIdentified NYC-WTC_000104202
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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_000174869
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 28, 2001.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174868
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 28, 2001.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174883
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 24, 2001.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182565
Laboratory report detailing transmission electron microscopy analysis of asbestos fibers from a sample collected on October 18, 2001.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174914
Laboratory transmission electron microscopy analysis report for sample 62022 dated October 23, 2001.
Similarity score 0.994 (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 0.994 (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