Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
NYC-WTC_000102767–000102875Folder label: “400 CHAMBERS STREET Block: 16 Lot: 200 BIN: 1085774 Tribeca Park, 34 River Terrace”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5992 Filter Type / Filter Area: MCE 385 mmz Lab Sample #: 11 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.06744 mm2 GRID BOX: 5 3 Magnification: 20,000 GRID ID: Cz' Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 11/29/01
Analysis Performed By: '-~~ 1 --~—~ MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or EDS No Coord No F B C M >=05 P >=5p ChryS Amphibole Nonasb AmbiglND (Nonadb <5N Elements)
Y/
~truct => U. > 5: I Aspect Ratio Grid acceptance: I= Positive diffraction pattem•properles conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification aiteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% ~= EDS spectrum conforming to laboratory holes or opaque areas F B C M >5N identification criteria observed• Chrysotile AMPHIBOLES F = Single Fiber Amphibole Amosite 8 = Bundle (<3 fibers <1 fiber diameter apart I Croddotite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite NSD = No Structures Detected Actinolite Non-Identified
NYC-WTC 000102831
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.
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.
22 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097203
Identifier page for a document within the DEP Box 33 collection related to environmental records.
13 shared non-person entities · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107625
Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.
13 shared non-person entities · similarity 0.974
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.
17 shared non-person entities · similarity 0.974
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 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107611
Laboratory report detailing transmission electron microscopy results for air samples collected during the DEP cleanup.
8 shared non-person entities · similarity 0.968
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096419
Cover letter summarizing wipe and air sampling results for various contaminants at a city school.
12 shared non-person entities · similarity 0.968
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107942
Transmission electron microscopy (TEM) analysis of air samples from cleanup site, confirming asbestos clearance per AHERA methodology.
8 shared non-person entities · similarity 0.967
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177491
Chain of custody document tracking TEM analysis of air samples from the DEP cleanup project at 125 [name].
8 shared non-person entities · similarity 0.967
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177478
Chain of custody document tracking TEM analysis of air samples from the DEP cleanup project at 125 [name].
8 shared non-person entities · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177511
Chain of custody document tracking TEM analysis of air samples from the DEP cleanup project at 125 [name].
8 shared non-person entities · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000124304
Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000124304
Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000124304
Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.
Similarity score 0.998 (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_000120385
Laboratory report detailing airborne asbestos fiber counts from multiple floors of 88 Pine Street following the September 11 attacks.
Cited alongside this record in an Ask answer
NYC-WTC_000148621
Memo outlining DEP activities including assessment and coordination with federal agencies for street and sidewalk cleaning.
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_000131145
Fragmented record associated with the 80 West Street and Financial Center folder in DEP Box 53.
Cited alongside this record in an Ask answer
NYC-WTC_000132836
Table of contents for reports covering emergency cleanup and air quality testing at 111 and 115 Broadway in late 2001.
Cited alongside this record in an Ask answer