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 G t-----
TEM Asbestos (air) Count Sheet Client Name: Volume (liters): 3600 ATC Filter Type / Filter Area: MCE 385 mm2 0 Lab Group #: Lab Sample #: 9045 8 Grid Opening Size: 0.01124 Area Examined: 0.24728 mm2 Client Sample #: 20 Magnification: 20,000 GRID BOX: Accelerating Voltage: 100 KeV GRID ID: a Analysis Date: 11/1/02 # Grid Openings: 22
Analysis Performed By: ROMAN PEYSAKHOV
ID of Structure N or EDS GO. Structure Structure Type Length (Nonadb >=5p Chrys Amphibole Nonasb AmtIVND Elements) No F B C M >=05 P No ! Coord <5N
i
, i
_ f I
^ Photo No. ttrom 1 In o c=mtf r w,IL,"""W ~r....., Grid acceptance: Struct = > 0.5N > 5:1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals pattern properties conforming to coverage >50%coverage -= Positive diffraction g ate5% M ` >5u
W least <10% particulateaed 20 rae laboratory identification criteria observed holes or opaque areas 1= EDS spectrum conforming to laboratory identification criteria observed AMPHIBOLES F = Singie Fiber Amosite fibers <1 fiber diameter apart Crrocidolite B = Bundle (<3 Anthophylice C = Cluster t>3 Intersections) Tremolite M = Matrix Actinolite NSD = No Structures Detected
NYC-WTC 000131648
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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.
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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
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