NYC-WTC_000225317

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 6934 Filter Type / Filter .Area: MCE 385 mm’ Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/5/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length IDolStruclure Norx EOS No (Nonadb F B C M >=05 (J Chrys Amphibole | Nonasb Ambig/ND No Coord <5u Elements)

r: 7^2

Struct = > t).5p > 5 I Aspect Ratio Grid acceptance:

yi- Positive diffraction pattern properties conforming to <50% undissolved filie/ overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

yJ-EOS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas 1- B c M >5m identification criteria observed Clirvsoiilc AMPHIBOLES Amphibole F = Single Fiber Amosite Crocidolite AmbigLioti.s B = Bundle (<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M =.Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_002921330

NYC-WTC_000225317