NYC-WTC_000202294

NYC 9/11 Public Portal Document

TEMAsbestosJairlCountSh^ CiieHt Name: ■NYe BQE 7 Volume (liters): 1840 T Lab Group #: fel7 Filter Type / Filter Area: 7MCE 385 Tnm^ Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 9 Area Examined: 0.04496 GRID BOX: Magnification: , 20,0Q0i7 GRID ID : Accelerating Voltage: lOOKeV- # Grid Openings: 4 Analysis Date: 1/31/02 7

Analysts Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No (Nonadb F B M >=05p Chrys Amphibole Nonash Atnbig/ND No I Coord <5p Elemerts)

-3

I ■

Struct = > 0.5q „> 5:1 Aspect Ratio Grid acceptance: •i- Positive diffraction pattern properties conforming Io <5E% undissolved filter, overiapped or folded Totals laboratoy identiflGation criteria observed <1 C% particulate coverage >50% coverage ate

'/= EES spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% f F B C M >5p holes or opaque areas; (. identification criteria observed \ Chrysotile ’AMPHIBOLES Amphibole F = SingleFiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite j Ambiguous C = Cluster (>3 Intersections) Anthophyllite ! Non-Asbestos Tremolite M - Matrix 7 i Non-Identified Actinolite NSD = No Structures Detected 7, . 7 )r

CITY_21MC100_011276372

NYC-WTC_000202294