NYC-WTC_000200830

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1968 Lab Group #: 7685 . Filter Type / Filter Area: MCE 385 mir? Lab Sample #: 6 Grid Opening Size: 0,01124

Client Sample #: 08 Area Examined: 0,04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/9/02

Analysis Performed By; MARK PEYSAKHOV

GO. Structure ) Structure Type Length ID of structure N or 7^ EDS No- I p B G M (Nonadb '3=05 p '=5p Chrys Amphibole Nonasb Ambig/ND No Coord I ■ <5p Elements)

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Struct = > 0.5pi >5:1 Aspect Ratio Grid accsptancs; '1- Positive diffraction pattern properties conforming to ^50% undissolved filter, overlapped or folded Totals laboratoi7 ....... -.................. identification criteria observed <i0% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% f F Bi C M >5p EDS spectrum conforming to laborator/ holes or opaque areas L identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle t<3 fibers <1 fiber diameter apart Crocidolite Ambiguous , C “ Cluster (>3 intersections) Anthoph/llite _ Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC1OO_O11275183

NYC-WTC_000200835