NYC-WTC_000214878

NYC 9/11 Public Portal Document

TEM Asbestos (air) Con Client Name: NYC BOE liters): 1880 Lab Group #: 8244 Filte: ■Area: MCE 385 Lab Sample #: 11 Size: 0.01124

Client Sample #: 11 iiined: 0.04496 mm^

GRID BOX: cation: 20,000 GRID ID: A iiltage: 100 KeV # Grid Openings: 4 Date: 6/23/02

Analysis Performed By; 2 ■MARK PEYSAKHOV

GO. Structure Structure Type .; Length NorV EDS No (Nonadb F B C M >=05 p. ; i>=5pj • '.Ch^s .isb Ambig/ND No Coord <5p. • Elements)

a

Struct = > 0.5g > 5:1 Aspect Ratio Grid acceplaru .r ■/= Positive diffraction pattern properties conforming to <50% uridissc'. id ■liter, overlapped or folded Totals laboratory identification criteria observed <10% panic : ■ a verage >50% coverage ate least20 uni-;, c: overiapped grid Squares <5% F B C M >5p EDS spectrum conforming to laboratory. holes or op,... ■ as identification criteria observed AM PI I.::. IS ' F = Single Fiber Amc , ■ : B = Bundle (<3 fibers <1 Fiber diameter apart Croci I C = Cluster (>3 Intersections) Antic. i!ii:3 M = Matrix Tre:-- Ar' NSD = No Structures Detected

CITY_21MC100_002871058

NYC-WTC_000214878