NYC-WTC_000216038

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: N3'C BOE Volume (liters): 1952 Lab Group #: 7175 Filter Type / Filter Area: MCE 385 mm- Lab Sample 10 Grid Opening Size: 0.01124

Client Sample #: 10 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRIPED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/23/02

Analysis Performed By: MARK. PEYSAKHOV

GO, Structure Structure Type Length iDotStructure N or V EDS No >=05 p (Nonadb F B C M >=5p Chrys Amphibole Nonasb AmbigtND No Coord <5p Elements)

SU -3

Struct = > O.Sp > 5:1 Aspect Ratio Grid acceptance: ^1= Positive diffraction pattern properties conforming to “=50% undissolved filter, overiapped or folded Totals laboratory identificalior criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded ot overiapped grid squares <5% F B C M >5m EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile , AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) ; Anthophyllite Non-Asbestos I Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC100_002876366

NYC-WTC_000216038