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NYC-WTC_000200188

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000200188
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NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volnme (liters): 1917 Lab Group #: 5915 Filter Type / Filter Area: MCE 385 Lab Sample #: IS Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 mm-

GRID BOX: J Magnification: 20,000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/17/01

Analysis Performed By: ROMAN PEYSAKHOV

j GO. Structure structure Type Length ID of Structure N or v EDS (Nonadb No F B C M >=05 u >=5m Chrys Amphibole Nonasfa Ambig/ND j No i Coord <5m Elements)

r?n inxg; 2x2 u ~Tr ~

Sl:ruct= > O.;p .> 5:1 Aspect Ratio Grid acceptance: 9= Positive diffraction pattern properties conforming to undissoived filter, overlapped or folded T'otajs laboratoiy identification criteria ofcsetved <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u [ 7= EOS spectrum conforming to laboratory holes or opaque areas. identification criteria observed Chrysotile AMPHIBOLBS Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersecdons) Anthophyllite Non-Asbestos Tremolite M'= Matrix Non-Identified Actinolite NSD = No Structures-Deiected

CITY_21MC100_003266745

NYC-WTC_000200188

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NYC-WTC_000200188Source: NYC Law Department, mirrored locally

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Laboratory results for TEM asbestos air sample #6 from NYC Board of Education collected on March 3, 2002.

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