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
I ATC ASSOCIATES INC. - TEM ANALYSIS I Lab Sample No. 62244 LAB GROUP 4: 5762 - 10/25/01
Filter Type MCE 25 mm Operator
I Client Spl. No. 30 Filter Area 3 5 m
Instrument I.D. EM 10 CRX Grid I.D. pJ ` Disk No.
Screen Magnification 16,403X IGO! Area 0.01124 mm"2 Comments
Acc. Voltage so kv No. GO to be Analyzed 6 4.721 Struct. Corsod. to 7.1 c/mm"2
I GO. No Coord. Structure Structure Type No. X0.5 um Length I.D. of Structure EDS N or s/ (Nonasb. F B C M < 5um >. 5um Chr s. Amphibole Nonasb. Ambig./ND Elements)
F// S 2a u z ~ '7 Ic 1 I I I 1 I I
Photo No. (from 1 in S asbestos- Identify all structures using EDS Check diffraction for alt os Store all unrepeated spectra containing samples) IGrid acceptance: I structures up to 709 tfltr (tat 4) <5OX undlesolve r, overlapped or (014011 Struct_ = > 0.Sum & > 5:1 Aspect Ratio <10% particulate coverage >50% coverage Totals Not Observed (EDS spectrum or diffraction pattern)lat least 20 unfolded or overlapped grid squares Positive diffraction pattern properties conforming <5% holes or opaque areas F B C M > 5um Na to laboratory identification criteria observed. Unused portion For ehrysotilr. 0.73am .paeine for (020) nnU eeons, or niter Chrysotile 0.530m .pacing for the layer floe repeat, .creaking Avoided portion
i of (ilo) and (130) reflections. or niter for aeophibWac 0.63am layer line repeat, and appro.. Portion of niter (2mm amide) I 3.5 ratio of non-twinned layer line spot spacing to subject to Amph;1., oe layer tin. repeat dlatane (0.53nm). ti."
✓= EDS spectrum conforming to laboratory Ambiguous identification criteria observed. AMPHIBOLES f= Single Fiber (1-3 lntersecUons = 1-3 fiber.) Amosite R= Rundle (>3 fibers <1 fiber diameter apart) 25mm niter Crocidolite Non —asbestos C= Cluster (>3 Intersections) M= Matrix Stopping Rule.: Anthophyllite NOD= No Structures Detected >50 ./C.O. or in let 4 C.O. Tremolite Non —Identified .\ rare' oo,Vl~n vtrrr\ Ctr MtIv+ n ,'', .m. Actinolite NYC-WTC 000104121
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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_000102767
Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
31 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.956
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 ↗10 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105988
Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
5 shared non-person entities · 1 shared topics · similarity 0.969
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.
16 shared non-person entities · 1 shared topics · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
24 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105971
Report of transmission electron microscopy analysis for bulk samples from 250 Broadway dated September 16, 2001.
9 shared non-person entities · 1 shared topics · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000129725
Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
12 shared non-person entities · similarity 0.952
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107927
Laboratory report from ATC Associates detailing transmission electron microscopy results for air samples collected at a WTC cleanup site.
6 shared non-person entities · similarity 0.950
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.
13 shared non-person entities · 1 shared topics · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000104026
Administrative label identifying records associated with the 105 Duane Street location.
Filed in the same folder
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
Filed in the same folder
NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
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NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
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