TEM Asbestos air sample results, NYC BOE, Nov 2001

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: XM. BOE Volume (liters): 1928 Lab Group #: 5897 Filter Tvpe / Filter Area: MCE 385 mm* Lab Sample #: 11 Grid Opening Size: 0.01124

Client Sample #: 11 .Area Examined: 0,04496 mm-

GRID BOX: Ma2nification: 20,000 GRID ID: Acceleratin2 Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/15/01

Analysis Performed Bv: MICHAEL GORYCKI

GO. Structure Structure Type Length ID of Stnicture N or "V EDS (Nonadb No F B C M >=05 u :>=5|J Ctirys Ampniboie Nonasb Ambig/ND No Coord <5p Elements)

I L -ri' 7 A

76 1/ /

1 l Struct = > 0.5p > 5:1 Aspect Ratio Gnd acceptance: Posibve diffraction pattern properties conforming to ;5C% undissolved filter, overlapped or folded Totals laboratory identification criteria observed 10% particulate coverage >50% coverage ate least 20 unfoloed or overlapped grid squares <5% F B I M >5u EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile : .AMPHIBOLES I Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003106478

NYC-WTC_000185384