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
P1 ATC ASSOCIATES INC. - TEM ANALYSIS LAB GROUP d 5'0? - 3/ 4/0L / r Lao Sample No. 52545 Filter ..pe MCE 35 mm Cnerst~: `- L'-?~ Client Spl. No 39 Fisher Area 340 min'2 /_ Instrument I.D EM 10 CRY. Grid I.D. DISK No Screen Magnification 15,400: {001 Area 3.01 1 mrn'3 Crmments Arc. Voltage 80 kV No. GC to be Analysed 5 4 ' S`r'c_. _oracc. 7 s'mm"=
GO. Structure Structure Type Length I I.D. of Structure EDS N or s/ ! >,U.S um (Nonasb. No Coord. No. F H C M >. 5urn Chrysd Amphibole Nonasb. Ambig./NDI Elements) < 5um rr2 2-
3 /~~ — C~
7 J T —e,
I
I I
I
1 1 I
Photo No. (from 1 in 5 asbestos- Identify all structures usin EDS Check diffraction for asbestos Store all unrepeated spectra containing samples) iGrid acceptance: structures u to 70s t?ftm (1st 4) I Strict = > 0.5um & > 5:1 Aspect Ratio <50z undiesolve t er, overlapped or folded <10% particulate coverage >50% coverage Totals N= Not Observed (EDS spectrum or diffraction pattern) at least 20 unfolded or overlapped grid squares <5% holes or o a ue areas Positive diffraction pattern properties conforming F B C M - 5um to laboratory Identification criteria observed. Unused portion For chrysoille: 0.73nm spacing for (020) reflections, of (liter 0.53em spacing for the layer line repeat, streaking Chrysotile Avoided portion of (110) and (190) reflections. of filter For amphiboles: 0.53nm layer line repeat, and apprea. Pvrtlon of (liter (2mm side) 2.5 ratic of non-t>rtnnetl layer Itne spot spacing m esamQna in Amphibole layer line repeat distance (0.59am). EDS spectrum conforming to laboratory identification criteria observed. AMPHIBOLES Ambiguous F= Single Fiber (1-3 intersections = 1-3 fibers) Amosite 8= Bundle (>3 fibers <1 fiber diameter apart) C= Cluster (>3 intersections) 25mm inter Crocidolite Non —asbestos! M= Matrix Stopping Bukas: Anthophyllite NSD= No structure. Detected >50 ./c.o. or in at. 4 G.o. I Tremalite Actinolite Non —Identified ~' L•\0ATA\PlUVATE\XIKEG\CADD\1'ZM3 9/22/98
NYC-WTC 000104306
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
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_000176453
Technical data sheet recording microscopic analysis parameters and structural identification for asbestos fiber samples analyzed by transmission electron microscopy.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176400
Laboratory transmission electron microscopy results analyzing a sample for asbestos fiber identification and structure details.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174869
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 28, 2001.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000188721
Raw data sheet from ATC Associates containing transmission electron microscopy analysis details for asbestos fiber identification in air samples.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104321
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176427
Laboratory data sheet from ATC Associates recording transmission electron microscopy analysis of air samples for asbestos fibers.
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.
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