8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%Laboratory analysis record for TEM asbestos air sampling conducted by the NYC Board of Education on April 6, 2002.
NYC-WTC_000176796Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7347 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 12 Grid Opening Size: 0.01124
Client Sample #: 12 Area Examined: 0.04496 mm’ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/6/02
Analysis Performed By: MARK PEYSAKHOV
Structure Type Length ID of Structure N or v EDS I GO. ---- i Structure No C M >=05 p i>=5p Chrys Amphibole Nonasb Ambig/ND (Nonadb । No Coord 7 <5p Elements)
4'^ i
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
'1- Positive diffraction pattern properties conforming to <50% undissolved filler, overlapped or folded Totals laboratonr identification critena observed <10% particulate coverage >50% coverage ate
'/= EOS spectrum conforming to laboratory least 20 unfolded or oveilapped grid squares <5% F B C i M I >5u holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber ciameter apart Crocidolite Ambiguous C = Cluster |>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matri< Actinolite Non-Identified I. NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470874 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176796
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NYC-WTC_000176796Source: NYC Law Department, mirrored locally
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