NYC-WTC_000230407

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group 7216 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRIPED: cFF?* Accelerating Voltage: 100 KeV SGridOpenings: 4 Analysis Date: 3/26/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Norv EDS No >=05 p :>=5p (Nonadb F B C M Chrys. Amphibole Nonasb Ambig/ND No: Coord Elements)

' 3 <7733?

Struct = > 0.5(1 .> 5:1 Aspect Ratio Gnd acceptance: Positive diffraction pattern properties conforming Io undissolved filter, overlapped or folded Totals laboratory Identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F ■B C M ’/= EDS spectrum conforming to laboratory holes or opaque areas identirication criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) i Anthophyllite Non-Asbestos ! Tremolite M = Matrix Non-Identified i Actinolite ; NSD = No Structures Detected

CONFIDENTIAL, CITY_21MC100_002723187 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230407