NYC-WTC_000201848

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume filters): 184Q Lab Group #: 6882 Filter Type / Filter Area: MCE 3,85 mm* Lab Sample #; 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm’ . GRIP BOX: Maojiiilcation; 20,000 GRID ID: ■Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/2/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type . Length ID of Structure N or 'J 1 EDSI 1 No (Nonadb | F B C M >=06 pi :>=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p I Elements)-; i

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4 J

Struct = > 0.5g > 5:1 Aspect Ratio / Grid acceptance: ■ 4= Positive Olffractior pattern properties conforming to <50% undissolved filter, overlapped or folded । Totals laboratory identification criteria observed <10% particuiate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M £DS spectrum conforming to laboratory holes or opaque areas idehtficalion criteris observed Chrysotile AMPHtBOLES Amphibole F = Single Fiber Amosite 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C > Cluster (>3 Intersections) i Anthophyllite Non-Asbestos / Tremolite M =Matnx Noil-Identified I Actinolite ■ ■ 1; ' NSD = No Structures Detected

CITY_21MC100_003269283

NYC-WTC_000201848