NYC-WTC_000201810

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6974 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 14 GridO£ening Sizei 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 1 GRID ID: 5^- Accelerating Voltage: 100 KeV ■ # Grid Openings: 4 Analysis Date: 3/7/02

Analysis Performed By: ) MARK PEYSAKHOV

GO. structure Structure Type Length ID of Structure N or 7 EDS No (NonadS F B C M >=05 M >=5p Chrys Amphibois Nonasb Ambig/ND No Coord <5m Elements)

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Struct - ’ 6.5(4 > 5:1 Aspect Ratio Grid acceptance: v7 Positive diffractior pattern properties conforming to <50% iindissolved filter, overlapped or folded Totals laboratory identificaticn criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M 1 ’5m ; 7- EDS spectrum ccnforming to laboratory. Poles or opaque areas: / identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber 1 Arposite B = Bundle (<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections)/ 2 Crocidolite Anthophyllite Ambiguous Non-Asbestos E Tremolite M= Matrix Non-Identified Actinolite NSDi= No Structures Detected

CITY_21MC100_003269150

NYC-WTC_000201810