NYC-WTC_000214866

NYC 9/11 Public Portal Document

TEMAsbestosXairlCount S 3t Client Name: NYC BOE V, le (liters): 1936 Lab Group #: 8225 Filter Type- ter Area: MCE 385 Lab Sample#: 15 Grid I ling Size: 0.01124 Client Sample #: 15 Al xamined: 0.04496 mm^ GRID BOX: i I'lcation: 20,000 GRID ID: Accelei': : Voltage: 100 KeV # Grid Openings: 4 ■ sis Date: 6/23/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length I: f i 'icture N or >/ EDS (Nonadb No F B C >=05 p Chrys Amphii. Nonasb Ambig/ND No Coord <5p Elements)

7)^ If -i— -i-—

Struct = >0.5y >5:1 Aspect Ratio Grid acceptance: ^1= 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 >5y 1/= EOS spectrum conforming to laboratory holes or opaque areas identification criteria observed • lie AMPHIBOLES Ie F = Single Fiber Amosite 'IS B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite C = Cluster (>3 Intersections) Anthophyllite Noi. IOS Tremolite M = Matrix Noh- ■kd Actinolite NSD = No Structures Detected

CITY_21MC100_002871042

NYC-WTC_000214866