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 10/25%01 LAB GROUP #: 5762 Operator Filter Type MCE 25 mm Lab Sample No. 62246 Filter ^ J Client Spl. No. 32 Disk No. Grid I.D. Instrument I.D. EM 10 CRX Comments AreaS2~~ ;GO) Area Screen Magnification 16,400X q 72. Strucc Corspd. to 70 simm 2 o Acc. Voltage 80 kV No. GO to be Analyzed EDS Nor, / Length I.D. of Structure (Nonasb. structure type GO. Structure 3 .5 um Chrys. Amphibole Nonasb. Ambig./ND Elements No. F B C M >. 5um No Coord. < 5um
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I I I 11 W Photo Na. from 1 in 5 asbestos- containing samples) Identify all structures uain 6D5 Grid acceptance: <SD% undissolve Check ecru turosruUOfl for lo 70./aim at(lat. 4) er, overlapped or o e Store all unropeatad
T to S spectra
<13% parUculate coverage >50% coverage StrucL = 0.5um & > 5:1 MPect Ratio overlapped grid squares F pattern) at least 20 unfolded or B C M 5um Nn Not Observed (BUS spectrum or diffraction <5% holes or opaque areas properties conforming ✓ a positive diffraction pattern criteria observed. to laboratory Identification Unused portion et filter Chrysotile Per chry.sUle: 0.73nm alayer / for (pea) Avoided portion the Uaa nectioag repeat. 0.a3am spacing for of filter of (1i0) end (t00) T nacuaa.. portion of inter Portion (zmm aide) Amphibole Ilan r.pest. and appros. Per .mphibole.: 0.5i3am la layer yeryyes ine spot spacing of b .s.ml.eUae 3l.3 line. ayer Ilaeanput distancel Ambiguous ✓= BUS ■ conforming to laboratory tram iteria AMPHIBOLES IdenU IcaUan criteria observed. Amoaite Intersections = 1-3 fibers) 25mm niter Non — asbestos P= Single Fiber (1-3 Crocidolite B= Bundle t >3 fiber. <1 fiber diameter apart) 9~ pPin Anthophyllite C= Cluster (>3 inter. ti acona) g 2uln: W= Metric fl a/C.a. er in W 4 C.O. Tremolite N on _Id e ntified
NYC-WTC 000104123
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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_000174883
Laboratory report detailing transmission electron microscopy analysis of a sample for asbestos fibers dated September 24, 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174920
Laboratory transmission electron microscopy analysis report for sample 62041 dated October 23, 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182580
Laboratory report detailing transmission electron microscopy analysis of asbestos fibers from a sample collected on October 20, 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174895
Laboratory report containing transmission electron microscopy data and images for asbestos fiber identification from samples analyzed in September 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182519
Laboratory transmission electron microscopy report documenting the analysis of a bulk air sample for asbestos fibers.
Similarity score 0.989 (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 0.989 (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.
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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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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