NYC-WTC_000214281

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Voliinte (liters): 1920 Lab Group #: 8140 Filter Type / Fitter Area; MCE 385 mm^ Lab Sample #; 3 Grid Oiniiiiig Size: 0.01124

Client Sample #: 03 ■Areii E\nmined: 0.04496 rnm*

Mai? t ication: 20,000 GRID BOX: GRID ID: Aeceleratin / Voltage: 100 KeV # Grid Openings: 4 Anu ' sis Date: 6/17/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Si care Nor V EDS i No (Nonadb i F B C M >=05 (J ; =5p Chrys Amphibole ' ionasb Ambig/ND No Coord <5p Elements)

A-- '■■Y7

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: V = Positive diffraction pattern progenies conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ale least 20 unlolded or oveitapped grid squares <5% " B C M >5p V= EDS spectrum conforming to laboratory holes or opaque areas ___ i F identification critena observed Clii. 'tile AMPHIBOLES Amp )ole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Amb. OUS C = Cluster (>3 Intersections) Anthophyllite in-As stos T remolite M = Matrix K,Yv4de7. Ked Actinolite NSD = No Structures Detected

CITY_21MC100_002852907

NYC-WTC_000214281