NYC-WTC_000204607

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1936 Lah Gioiii) #: 6927 Filter Type / Filter .Area: MCE 385 mm- Lah Sample #: Grid Opening Size: 0.01124 Client Sample #: 07 AreaExjnniiH^ 0.04496 mm-

GRID BOX: Magnification: 20.000 GRID ID: 7^5% Aecelei atiiig \ oltage: 100 Ke\' # Grid Openings: 4 Analysis Date: 3 402

Analysis Performed By: RO.MAN PE3'SAKHO\'

GO I Structure j Structure Type Length ID o'Structure Nor \ EDS No (Nonadb F B C •=05p >=5p Chrys I Ampnibole Nonasb Ambig/ND <5u Elemenis) I/k I iP 2 l ¥ I ..T 1----- L

1— )

1— —

- ! 1—r ■ I- - P

I— 4 I—! Struct = ().5p > 5:1 .Aspect Ratio Grid acceptance-

\ = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laooratory identif cation criteria observed <10% particulate coverage >50% coverage ate least 2C unfolded or overlapped grid squares <5% f B II F \= EDS spectrum conforming to laboratory loentification cri'eria oteserved" holes or opaque areas Chrysotile uLE I .A.MPHIBOLES 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 Actinolite Non-Identified i NSC = No Structures Detected

CITY_21MC100_0 04082358

NYC-WTC_000204607