NYC-WTC_000207724

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet lient Name: NYC BOE Volume (liters): 1920 ab Group #: 8759 Filter Type / Filter Area: MCE 3S5 mm^ ab Sample #: 16 Grid Opening Size: 0.01124 lient Sample #: 16 Area Examined: 0.04496 mm- RID BOX: Magnification: 20,000 RID ID: Accelerating Voltage: too .KeV Grid Openings: 4 Analysis Date: 8/25./02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 ECS No (Nonadb F 3 C >-05 (J >=5p Chrys Amphibole Nonasb Ambig/ND 0 Coord <5p Elements)

7’7 XZ ¥ I

■uct = > U.5p > 5; I Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals oratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u • EDS spectrum conforming to laboratory holes or opaque areas ntification cnteria observed Chrysotile '"amphiboles Amphibole Single Fiber Amosite : Sundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous I Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite = Matrix Non-Identified Actinolite D.= No Structures Detected

CITY_21MC100_003015767

NYC-WTC_000207724