NYC-WTC_000186986

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Warren & Panzer Volume (liters): 1440 Lab Group #: 8364 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.0562 mm"

GRID BOX: Maenification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 5 Analysis Date: 7/1/02

Analysis Performed By: /Vy ROMAN PEYSAKHOV

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

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Struct = > 0.5n > 5:1 Aspect Ratio Grid acceptance: W Positive diffrachon pattern properties conforming to <50% undissolved filter, overlapped orfolded Totals IA U laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p yl-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 - Matrix Non-Identified Actinolite NSD = No Structures Detected

CrTY_21MC100_002964874

NYC-WTC_000186986