NYC-WTC_000208324

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: KYC BOE Volume (liters): 1920 Lab Group #: 8759 Filter Type / Filter Area: MCE 385 Lab Sample #: 4 Grid Opening Size: 0.01124 . Client Sample fr: 04 Area I xamined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure i Structure Type j Length ID of St ucture N or 9 EDS No ! F i B i C I M [ (Nonadb >=05 (J >=5pj Chrys Amphibole ; Nonasb Ambig/ND No Coord <5u Elements)

3

1 r i

i

; Struct = > 0.5(1 >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 >5(7 EDS spectrum conforming to laboratory holes or opaque areas identification criteria obsenred ChTys:otile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 libers <1 fiber diameter apart Crocidolite. Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbt stos M = Matrix Tremolite Actinolite Non-Ident Tied tJSD = No Structures Detected

CITY_21MC100_003021651

NYC-WTC_000208324