NYC-WTC_000207634

NYC 9/11 Public Portal Document

TEM Asin stos fairV Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: '8240 . Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: ■ 13 ; Grid Opening Size: 0.01124 Client Sample #: 13 Area Examined: 0.04496 mmV' GRID BOX: Magnification: 20,000 ■ GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed By: MAkKPEYSAKHOV,

GO. structure Structure Type Length ■ID of Structure Norv EDS , No >=05 M (Nonadb F B C M >=5m ■ ■ Chrys Amphibole Nonasb Ambig/ND No Coord <5p “ Elements) .

Struct = > 0.5g .>5:1 Aspect Ratio Grid accept:. ; j '/= Positive diffraction pattern properties conforming to *^0% undis. 2. .d filter, overfapped-or folded Totals laboratory identification criteria observed <10% panic i-ii- coverage >50% coverage ate least 20 ui*:- i or overlapped grid squares <5% F B C M >5m a/= EDS spectrum conforming to laboratory holes or c;..:-.;,.-.- ?.;eas identification criteria observed Chrysotile ■ AMPIIII. Amphibole F = Single Fiber Alli-;.’

B = Bundle (<3 fibers <1 fiber diameter apart CreJ. Ambiguous C = Cluster (>3 Intersections) Ani: i. Jiile Non-Asbestos ! Tre-:. ■•'0 M = Matrix Non-Identified NSD = No Structures Detected !L- ..

CITY_21MC100_003015526

NYC-WTC_000207634