NYC-WTC_000218116

NYC 9/11 Public Portal Document

TEMAsbestosJair) Count Sheet Client Name: NYC BOE Volume (liters): 19211 Lab Group #: 6910 Filter Type / Filter Area: MCE 385 min- Lab Sample #: 9 Grid Opening Size: 0.0! 124

Client Sample #: 09 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20.000 GRIDID: ■Accelerating Voltage: 100 KeV # Grid Openings: 4 ■Analysis Date: 3/3/02

■Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS iNonadb No F 8 C M >=06 )J >=5tJ Chrys Amphiboie Nonasb I Ambig./ND No Coord <5p I Elements) ------------- 1--------------

□ "5 ''"hElS *:—-

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% und^lved filter, overlapped or folded Totals Izs Vk > izd M ■salt: <10% particulate coverage >50% coverage ate A^a^Sail^S ■s Ps «s #s as > A iaborato7 identification criteria observed least 20 unfolded or overlapped grid squares <5% i F i B ! C Hl i >5, '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ! AMPHIBOLES Amphibole | F = Sir.gle Fiber Amosite Crocidolite Ambiguous j 8 = Bundle {<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_000465912 NYC-WTC_000218116