NYC-WTC_000189896

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1864 Lab Group #: 6631 Filter Type / Filter Area: MCE 385 mm-’ Lab Sample #: 7 Grid Opening Size: 0 01124

Client Sample #: 10 Area Examined: 0 04496

GRID BOX: Magnification: 20,000 GRID ID: ST// Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/11/02

Analysis Performed By; ROMAN PEYSAKHOV

Structure Structure Type Length ID of Structure N or 7 EDS GO (Nonadb No F B C M >=05 p :>=51J Chrys Amphibole Nonasb Ambig/ND No Coord Elements) <5p

Lt

-

Struct = > 0 5p >5 1 Aspect Ratio Gnd acceptance 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 gnd squares <5% F B C M >5u EDS spectrum conforming to laboratory holes or opaque areas identification cnteria 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 I Actinolite NSD = No Structures Detected I_____________________

CrTY_21MC100_003088312 NYC-WTC_000189896