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
ATC ASSOCIATES INC. - TEM ANALYSIS I Lab Sample No.
Client Spl. No 5=583
19 LAP GROUP 9, 5-"': -
Filter Type MCE 25 mm
Filter Area 325 mm'2 0 2c"/O1
Operator /
Grid I.D. 1, Disk No.
I Instrument I.D. EM 10 CR.V y Screen Magnification 15,400. (GO) Area 7. 31124 mm'2 Comments
Acc Voltage 80 kV No. GO to be Analyzed 4.721 Struct. crspd. In 70 s/mm'2
I GO. No Coord. Structure structure Type No. F B C M 0 5 5 um um Length >. 5um Chrys.1 Amphibole I.D. of Structure EDS N or I/ (Nonasb. Nonasb. Ambig./ND Elements)
IT J- j --.-
I Li J
I I I H
Photo Na. ((rain 1 in 5 asbestos- Identify all structures usin EDS Check diffraction for asbestos Store all unrepeated spectra
I containing samples) Struct. = 0.5um & > 5:1 Aspect Ratio Grid acceptance: <50% undiaaoave structures u 1 er, over apps <10% particulate coverage >50% coverage N= Not Observed (EDS spectrum or diffraction pattern) at least 20 unfolded or overlapped grid squares to 70s tim or o e (let 4)
Totals V - Positive diffraction pattern properties conforming <5% holes or o a ue areas F B C M > 5um
I to laboratory identification criteria Per chryotile: 0.79nm .oee:ag for (020) reflections. 0.93nm spacing for the layer line repeat. streaking of (110) and (130) reflections. For amphiboles: 0.03nm layer line repeat. and appros. ratio of non-t.inaad layer line spot spacing to of ttlter portion
Avoided portion f tiller (2mm wide) Chrysotile
Amphibole layer Una repeat distance (D.33nm).
I EDS spectrum conforming to laboratory Identification criteria observed. observed.Gun009d Fe Single Fiber (1-3 intersections = 1-3 fibers) B= Bundle (>3 Ilbers <1 fiber diameter apart) 23mm filter PHIHCLES Amosite Crocidolite Ambiguous
Non-asbestos to luster (>3intersections) ( Stopping Rules: Anthopilyillto Y= atrix
I NSD= No Structure. Detected L•\DATA\PRtVATE\M1XEG\CADD\TEY3 >50 s/G.O. or In tat 4 G.O. I
9/22/98 Tremolite Actinolite Non -Identified
NYC-WTC 000104397
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_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_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
Similarity score 0.995 (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 0.994 (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 0.994 (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 0.994 (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 0.993 (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 0.993 (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.
Cited alongside this record in an Ask answer
Document outlining fire evacuation procedures and objectives for 7 World Trade Center.
Cited alongside this record in an Ask answer
NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
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