NYC-WTC_000206036

NYC 9/11 Public Portal Document

TEMAsbestosfairlCountShe^ Client Name: Warren & Panzer Volume (liters): 1650 Lab Group #: 8288 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: JB62502-1 Area Examined: 0.0562 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 5 Analysis Date: 6/26/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nor\ EDS (Nonadb No F B C M >=05 M :>=51J Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements)

Ip _ a_ TZ

I Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: 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 >5|j EDS spectrum conforming to aboratory boles 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_002992634

NYC-WTC_000206036