NYC-WTC_000191839

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'!: 1920 Lab Group #: 8149 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 6 Area Examined: 0.04496 mm"

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Opening; 4 Analysis Date: 6/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length 10 of Structure Norv EDS (Nonadb No F B C M >=05 M >=5|j Chrys Amphibole Nonasb Ambig/ND No Coord <51J Elements)

1=

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to "5°% undissolved filer, overlapped or folded Totals 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 conforming to laboratory holes or opaque areas identification criteria observed Clary sotile pAMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) ■ Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD - No Structures Detected

CITY_21MC100_003091811

NYC-WTC_000191839