NYC-WTC_000225630

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1952 Lab Group #: 6126 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 8 Grid Opening Size: 0.01124

Client Sample #: 8 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRIP ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/18/01

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 'Z EDS (Nonadb No F B C M >=C5j >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5|J Elements)

Struct = > 0.5(1 > 5; I Aspect Ratio Grid acceptance: A- 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 overtapped grid squares <5% F B C M >5p 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 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_002921671

NYC-WTC_000225630