NYC-WTC_000210627

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5901 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 13 Grid Opening Size: 0.01124

Client Sample #: 13 Area Examined: 0.06744 mm-

GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 11/16/01

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS (Nonadb No F B C M >=05 M Chrys Amphitx)le Nonasb Ambig/ND No Coord <5p Elements)

S /VSi?

3 I 's*.'

Struct = > 0.5(1 > 5 1 Aspect Ratio Gnd acceptance' ■7= Positive diffrachon pattern properties confotming to <50% undissolved filter, ovedapped or folded Totals laboratory identificatiQn cntena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5m 'J- EDS spectrum conforming to laboratory holes or opaque areas identification cntena observed Chrysotile AMPHIBOLES ’ Amphibole F = Single Fiber Amosite B = Bundle (<3 fibeis <1 fiber diameter apart Crocidolite ’ Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000002671

NYC-WTC_000210627