NYC-WTC_000210649

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5907 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 001124 Client Sample #: 16 Area Examined: 0 06744 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 6 Analysis Date: 11/17/01

Analysis Performed By: MICHAEL GORYCKI

GO Structure Structure Type ! Length ID of Structure N or V EOS No (Nonadb F 8 j C M >-05 p ;>=5pi Chrys Amphibole Nonasb Ambig/ND Elements) No Coord <5p i /I if I I

Struct = > 0 5p >5 I Aspect Ratio Gnd acceptance v'= Positive diffraction pattern properties conforming to <50% uncissolved filter, overlapped or folded Totals laboratory identification cntena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5m A- EOS spectrum conforming to laboratory holes or opaque areas identificapon cntena observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx Non-ldentified Actinolite NSD = No Stnictures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000002828

NYC-WTC_000210649