NYC-WTC_000230315

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'): 1936 Lab Group #: 6621 Filter Type / Filter Area: MCE 3S5 mm^ Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 16 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 AnalysisDate: 2/10/02

Analysis Performed By: ROMAN PEYSAKHOV

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

4-

Struct = ■> 0.5p > 5:1 Aspect Ratio Grid acceptance: 'J= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ale least 20 unfolded or overtapped grid squares <5% F B C M '/= EDS spectrum conforming to laboratory holes or opaque areas identification cnteria observed Chrysotile- : AMPHIBOLES j Amphibole F = Single Fiber Amosite 0 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos T remolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CONFIDENTIAL, CITY_21MC100_003389044 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230315