NYC-WTC_000210647

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5994 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 16 Grid Opening Size: 0.01124

Client Sample #: 16 Area Examined: 0 06744 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 11/29/01

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type j Length ID of Strtjcture N or EDS (Nonadb No F p C M >=05 u Chrys I Amphiboie ] Ncnasb Ambig/ND No Coord <Sp Elements)

-3

i !

1

n o 1 I

i X T t Struct = > 0 5p > 5 1 Aspect Ratio Gnd acceptance '/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification cntena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% ■ B C M >5p '/= EDS spectrum conforming to laboratory holes or opaque areas Identification cntena observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos | Tremolite M = Matnx Non-Identified j Actinolite NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000002801

NYC-WTC_000210647