NYC-WTC_000229303

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume flitersk 1856 Lab Group #; 8136 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #; 13 Grid Opening Size; 0.01124 Client Sample #; 15 Area Examined: 0.04496 mm^ GRID BOX; Magnification; 20,000 GRIP ID: Accelerating Voltage: 100 KeV Analysis Pate; 6/17/02

Analysts Performed By; MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nor V EDS No Amphtoole Nonasb AmbisWD (Non»)b F B C M >=05 M >=5iJ Chtys Elements) No Coord <5p

___ .g □ g/

Struct = > 0.5m >5:1 Abject Ratio Grid Bcceptancs: Y Pos'itrvedifiractiori pattern properties conforming to undissolved Star, overtof^ or totoad Totals laboratory kJentificatiOfi criteria observed <10%()arti(alatecow!age>S)%oowerageatB least 20 unfoWed or owrtapped grid squares <5% F B C M >5p V= EOS spectrum contom^ to laboratory holes or t^iaque areas identificabon criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amoslta B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Trenrotite M = Matrix Actinolite Non-Identified USD = No Structures Detected

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