Chain of custody and cover letter for transmission electron microscopy analysis of air samples from apartments at 125 Liberty Street.
NYC-WTC_000131492–000131727
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 3800 Lab Group #: 9035 Filter Type / Filter Area: MCE 385 mmz Lab Sample #: 11 Grid Opening Size: 0.01124 Client Sample #: 11 Area Examined: 0.24728 mmz GRID BOX: 7.3 Magnification: 20,000 GRID ID: j%,%7 0 Accelerating Voltage: 100 KeV # Grid Openings: 22 Analysis Date: 10/29/02
Analysis Performed By: ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS (Nonadb No F B C M >sO5 u >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
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i3. . /7
4f /7 "
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I i A Photoo. 1from 1 in s asbestos containing sam es VEIU GLtiC}71OIR.Zi. Struct => 0.5.i .> 5:1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals v= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M ( >5i. holes or opaque areas v= EDS spectrum conforming to laboratory Chrysotile identification criteria observed AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous +!~ C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite von-Identified NSD = No Structures Detected
NYC-WTC 000131548
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Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
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Report of transmission electron microscopy analysis for bulk samples from 250 Broadway dated September 16, 2001.
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A document label identifying the location as 140 Broadway and 70 Liberty Street with a unique NYC-WTC tracking number.
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Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
14 shared non-person entities · similarity 0.946
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000095478
Cover page for an air monitoring and bulk sampling report for Building #200 at 375 South End Avenue.
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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_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
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Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
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