NYC-WTC_000202667

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NNT BOE Volume (liters): 1899 Lab Group #: 5889 Filter Type / Filter Area: MCE 385 mm-

20 Grid Opening Size: 0.01124 LabSaniBlo^ Client Sample #: 22 Area Examined: 0.04496 mm-

GRID BOX: <'3i/ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 xAnalvsis Date: 11/14/01

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure N oi' 7 EDS (Nonadb No F 3 C M >=05 |j Chrys Ampniboie i Nonasb Ambig/ND No Coord <5p Elements)

7/9-J ____ O

7C

Struct = > 0,5li > 5:1 Aspect Ratio Grid acceptance:

7= 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 overiappeO grid squares <6% F B C ; M >5p 7= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chiysotile .\MPHIBOLES ! Amphibole r = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite ’ M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003275207

NYC-WTC_000202667