NYC-WTC_000205319

NYC 9/11 Public Portal Document

TEM Asbesfos fair) Count Sheet Client Name: NYC BOE Volume (liters): 19228 LilbjGloilPj/l 9090 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: J Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 mm^

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

Analysis Performed By: ROMAN PEYSAKHOV

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

' k z' T'vC If 5 Trz. (L Zf

■' Photo No. 'from 1 in 5 asbestos containing samples) ) Grid acceptance: Struct = > 0.5p .> 5:" Aspect Ratio <50% undissolved filter, overlapped or folded Totals v = Positive diffraction pattern prooerties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F I B C M >5pj holes or opaque areas I y= EDS spectrum conforming to laboratory Chrysotile i identification criteria observed : AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundis (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster t>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected . ..... .!....... L

CITY_21MC100_009261910

NYC-WTC_000205319