NYC-WTC_000212953

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sh d Client Name: WC BOE Voli JT rsh 1928 Lab Group #: 8225 Filter Type / i ter A cat MCE 385 mm^ Lab Sample#: 11 Grid O; ling ? Ye; 0.01124 Client Sample #: 11 Area xami yjj 0.04496 mm^

GRID BOX; M:. ificaiioii: 20,000 GRID ID: Accelerate 100 KeV # Grid Openings: 4 Al ALL de: 6/23/02

Analysis Performed By: ■ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID C :ture Vor^ EDS (Nonadb No F B C M >=05 p >=5p Chrys Amphibc Nl- Ambig/ND No Coord <5p Elements)

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Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: x/= Posi ive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Itais laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% f B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identificjition criteria observed t otile AMPHIBOLES A ac F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite An

C = Cluster (>3 Intersections) Anthophyllite Non-As , itos Tremolite M = Matrix Actinolite Non-liT ; fie ci NSD = No Structures Detected

CITY_21MC100_002867703

NYC-WTC_000212953