NYC-WTC_000201390

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1 SOO Lab Group #: 7388 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: iz Grid Opening Size: 0.01124

Client Sample #: 1o Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/13/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure i Structure Type Length ID of structure N or 7 EDS (Nonadt No F B t C M- '=05 p. I >=5[J Chrys Amphiboie Nonssfc Ambig/ND No I Coord <5u' j Elsments)

XT/

T

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% undissoived filter,-overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M 7= EDS spectrurr^ conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Buncle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite . Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_011275697

NYC-WTC_000201401