NYC-WTC_000201325

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume /liters): 1840 Lab Group #: 7354 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 5 Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 min- GRID BOX: Magnification: 20,000 GRID ID Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/8/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type I Length ID of Structure N or No (Nonadb F S C M i >=06 p I =50 Chrys Amphibole Nonasb Amtig/ND No Coord <5p Elements)

Struct = > 0.5,-I >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 crib squares <5% r F M >5u EDS spectrum conforming io laboratory doles or opaque areas L identification criteria observed Chrysotile AMPHIBOLES Amphibole r = Single Fiber Amosite 3 = Bundle (<3 -fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) i Anthophyllite Non-Asbestos ' Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_011275624

NYC-WTC_000201329