NYC-WTC_000211334

NYC 9/11 Public Portal Document

TEM Asbestoslair) Count Sheet Client Name: NV'C BOE Volume (liters): 1840 Lab Group #: 8264 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 3 Grid Opening Size: 0.01124

Client Sample #: 03 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/24/02 Analysis Performed By:/

ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Norv EDS (Nonadb No F B C M Wp "i>=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: y = Positive diffraction pattern propertes conforming to '^0% undissolved filter, overlapped or folded Totals l««<10% partioulale coverage >50% coverage ate laboratory idenbfication criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5u EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B ’ Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx NSD = No Structures Detected Actinolite Non-Identified I

CITY_21MC100_0 02863969

NYC-WTC_000211334