NYC-WTC_000206428

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet CHent Name: Warren & Panzer Volume (liters): 1746 Lab Group #: 8409 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: on Area Examined: 0.0562 mm" GRID BOX: Magnification: 20,000 GRID ID: /z-zU Accelerating Voltage: too KeV # Grid Openings: 5 Analysis Date: 7/7/02

Analysis Performed By: ROMAN PEYSAKHOV

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

T

I? n

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:

M= 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 overiapped grid squares <5% F B C M >5(J N = 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 Crociciolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix ■ Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003004496

NYC-WTC_000206428