NYC-WTC_000205736

NYC 9/11 Public Portal Document

TEMAsbestosfairlCountShe^ Client Name: Warren & Panzer Volume (liters): 1500 Lab Group #: 8381 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: JB70202-3 Area Examined: 0.0562 mm^ GRID BOX: Magnification: 20,000 GRID ID: 4^ Accelerating Voltage: 100 KeV # Grid Openings: 5 Analysis Date: 7/3/02 Analysis Performed By: "

MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No (Nonadb i F B C M >=05 M >=5p Chrys Amphibole Nonasb Ambig/ND Elements) j No Coord <5m

7^

Struct = > 0.5q >5:1 Aspect Ratio Grid acceptance: V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 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

CITY_21MC100_003009051

NYC-WTC_000205736