NYC-WTC_000201935

NYC 9/11 Public Portal Document

TEMAsbestosfair) Count Sheet Client Name: NYC BOE Volume (liters): 1870 Lab Group #: 6764 Filter Tvpe / Filter Area: MCE 385 Lab Sample ' 14 Grid Opening Size: 0.01124

Client Sample #: 14 - Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV A Grid Openings; 4 Analysis Date: 2/21/02

Analysis Performed By: MLARKPEYSAKHOV

GO. Structure Structure Type , Length ID of Structure N or y EDS (Noradb No F B e M >=05p : '=5p I Chrys Amphibole Nonasb Ambig/ND Elements) No ' Eooid <5p

Z .X-

■

I 1 1 ir Struct = > 0,5 4 > 5:1 Aspect Ratio Grid acceptance: 7= Positive cifffaction pattern properties conforming toI <50% undissolved Sltsr, overlapped or folded Tolals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F' B C ) M >5p EDS spectrum confortTiing to laboratory holes or opaque, areas identification criteria observed - Chrysotile [ AMPHIBOLY Amphibole ■ F = Single Fiber - I Amosite- B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous • C. = Cluster (>3 Intersections) Anthophyllite Non-Asbestosi Tremolite ; < M - Vatrix- Actinolite .I Non-Identified L...... ....... ___________ NSD. = No Structures Delected

CITY_21MC100_003269723

NYC-WTC_000201935