NYC-WTC_000230090

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'): 1936 Lab Group #: 7204 Filter Type / Filter Area: MCE 385 Lab Sample #: 13 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/25/02

Analysis Performed By: ROMAN PEYSAKHOV

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

ZEZ /jS a 7^'------

Struct = > 0.5p > 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 >5u '/= 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 Inlersections) Anthophyllite Non-Asbestos ■; T remolite M = Matrix Acbnolite Non-Identified NSD = No Structures Detected

CONFIDENTIAL, CITY_21MC100_003388726 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230090