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TEM Asbestos air sample results, NYC BOE, Mar 2002
Machine-extracted title · confidence 95%Laboratory analysis record for TEM asbestos air sampling conducted at NYC Board of Education on March 12, 2002.
NYC-WTC_000183322Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NN'C BOE Volume (liters): 1816 Lab Group #: 7034 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124
Client Sample #: 17 Area Examined: 0.04496 mm^
GRID BOX: 5 Ma2nification: 20,000 GRID ID: EZzY Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/12/02
Analysis Performed By: ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure \ or v EDS (Nonadb No F B C M >=05 (J >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5)J Elements)
7
/> ________
Struct = > 0.5n >5:1 Aspect Ratio Grid acceptance: /= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u '/= EDS spectrum conforming to laooraton/ hoes or opaque areas Identification criteria obsen/ed Chrysotile 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 Non-Identified Actinolite I __ _ NSO = Nd Structures Detected
CITY_21MC100_003102460
NYC-WTC_000183322
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NYC-WTC_000183322Source: NYC Law Department, mirrored locally
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