NYC-WTC_000201259

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE . .... '..... Volume (liters): 1800 Lab Group #: 7325 Filter Type / Filter Area: MCE 3 85 mir- Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 16 Area Examined: 0.04496 mm'

GRID BOX: Magnitication: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Anaivsis Date: , 4/4/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS (Nonadb F B C- M >=05 pi > V.J Chrys ... Amphibole ,_Nonasb i .Ambig/ND Elements) i No ' Cooih <5p . 4'

K] AF,'-

Struct = > 0.5g > 5:1 Aspect Ratio Grid accepance: 7= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laborator/ identification criteria observed <10% particulate coverage >50% coverage ate least 2C unfolded or overlapped grid squares <5% F B C ■ M .>5p 7= EDS spectrurTi conforning to laboratory holes 0- opaque areas identification criteria observed Chrysotile ; AMPH1BOL5S ; Amphibole F - Single Fiber I Amosite । B = Bundle (<3 fibers <1 fiber diameter apart Crocdolite Ambiguous ‘ C = Cluster (>3 fotersections). Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Iden lifted i Actinolite NSD = No Structures Detected

CITY_21MC100_011275547

NYC-WTC_000201274