NYC-WTC_000230129

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1960 Lab Group #: 6429 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: GRID BOX: GRID ID : w Area Examined: Magnification: Accelerating Voltage: 0.04496 mm^

20,000 100 KeV # Grid Openings: 4 Analysis Date: 1/24/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure type Length ID of Structure N or V EDS No (Nonadb F B- C M ’=05p I',. : Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

[P f

Struct = > O.Sp .> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to ‘^5°% undissolved filter, overlapped or folded Totals laboratory identification criteria obse^ed "10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grtd squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile Famphiboles 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 Non-Identified Actinolite

CONFIDENTIAL, CITY_21MC100_003388780

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230129