NYC-WTC_000225312

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet - Client Name: NYC BOE Volume (liters): 1936 Lab Group #: 6934 , Filter Type / Filter Area: MCE 385 mm= Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 6 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 ID of Siruclure .N or >1 EDS No (Nonadb F B C M >=05 p >=5)j Chrys Amphibole ) Nonasb Ambig/ND Elements) No Coord <5p

f J/— 7 rZ'z

Struct = >llSp > 5:1 Aspect Ratio Grid acceptance:

'J= Positive diffraction pattern properties conforming to <50% undissolved filler, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% I F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas 7“-------------------------- identification criteria observed C lirvsDiile amphiboles Ampitibolv I F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambipiiiiiis i

C = Cluster (>3 Intersections) Anthophyllite Non-Asbesios~r Tremolite M = Matrix ■Non-ldeniil'ied. Actinolite NSD = No Structures Detected

CITY_21MC100_002921321

NYC-WTC_000225312