NYC-WTC_000200257

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: ' NYC BOE Volume (liters): 1840 Lab Group 7278 Filter Type / Filter Area: MGE 385 mir? Lab Sample #: 9 Grid Opening Size: .0.01124 Ciient Sample #: Area Examined: 0.04496 GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV' # Grid Openings: 4 Analysis Date: 3/31/02

Analysis Performed By: ' ROMAN PEYSAKHOV

GO. Structure Structure lype Length ID of Structure N or 7 EDS No (Nonadb F B C M- >=0^(1 p—>=5p Chrys Amphibole Nlorasb Ambig/ND

w.. 'No: Coord <5p Elements)

7

Struct = > 0.5(1 .;> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties confornring to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% parlicLiate coverage >50% coverage ate iieast20 unfolded or overlapped grid squares <5% F B I C M >5u v= EDS spectrum conforming to laboratory holes or opaque areas icentifioation criteria observed Chrysotile AMPHIBOLES I Amphibole F = Single Fiber A.-nosite B = Bundle ;<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster 73 intersections) Anthophyllite Non-Asbestos Tremolite --------- L_ M Matrix Non-Identified NSD = No Structures Detected Actinolite r_,l.

CITY_21MC100_011274746

NYC-WTC_000200265