NYC-WTC_000201892

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6608 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124

Client Sample #: 03 Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20.000' GRID ED: Accelerating Voltage: 100 KeV I # Grid Openings:i 4 Analy.sis Date: -2/9/02

Analysis Performed By: MARK PEYSAKHOY

_ GO, Structure Structure Type Length ID of Structure NoW EDS No ■ (Nonadb F B C M >^5m~I : •=5p Chrys Arriphibole Nonasb i Ambig/ND No Coord <5p Elements)

Struct = > 0.5(1 > 5:1 Aspect Ratio Grid acceptance: 9= Positive diffraction pattern properties conforming to <5G% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <1G% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid souares <5% -F B I C M >5u 9= CDS spectrum conforming to laboratory holes or opaque areas identfication criteria observed Chrysotile i AMPHIBOLES Amphibole F = Sngie Fiber Amosite B = Bundie (<3 fibers <" fiberdiameter apart Crocidolite Ambiguous C = Cluster'(>3 Intersections) I Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_003269444

NYC-WTC_000201892