NYC-WTC_000201920

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1852 Lab Group #: 6707 Filter Type / Filter Area: MCE 385 nnm- Lab Sample #: 12 Grid Opening Size: 0.01124

Client Sample #: 12 Area Examined: 0,04496

GRID BOX: Magnification: 20 DOO GRID ID: ^/P Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure : ype Length ID of structure Nor N EDS fNonadb I No F B LC >=05 p >=5p Chrys Amphibole Nonasb Ambic/ND No Coord <5p Elements) Z'

p ______

Struct = > 0.5p > 5:1 Aspect Ratio Grld'acceptarce:

4= Positive diffraction pattern propsrtios conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratcry iderrtificalion criteria observed least 20 unfolded or overlapped grid squares <5% OF B I C M >5p 4- EDS spectrum conforming to laborstory holes or opaque areas identfication criteria cbseryed Chrysotile ) i AMPHIBOLES Amphibole i F = Single Fiber i Amosite B = Bundle (<3 fibers <1 fiber diameter apart i Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Stuctures Detected

CITY_21MC100_003269627

NYC-WTC_000201920