NYC-WTC_000202847

NYC 9/11 Public Portal Document

TEMAsbestosJairlCountSheet Client Name: ATC Volume (liters'): 3900 Lab Group #: 9035 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 2 Grid Opening Size: 0.01124

Client Sample #: 2 Area Examined: 0.24728 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 22 Analysis Date: 10/29/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 4 EDS i No (Nonadb | F B cTm >=05 p Ch./S Amphibole Nonasb Ambig/ND Elements) ! <5m

/

VI

/x 7

Iff ' K 2 4 T "A

’2 X 3

ZiZEZI //

•' Photo No. itrom 1 in 5 asbestos containing samples) 77 Gnd acceptance; struct = > 0.5p > 5:1 Aspect Ratio undissoived filter, overlapped or folded Totals V = ;=ositive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laborato7 identification cnteria observed least 20 unfolded or overlapped grid squares <5% F I B C [ .VI i >5u holes or opaque areas 'j = EDS spectrum conforming to laboratory Chrysotile identification criteria observed AMPHIBOLES Amphibole = Single Eiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite I Ambiguous I C = Cluster (>3 Intersections) Anthophyllite \ Non-Asbestos । Tremolite M = Matrix I Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003069313

NYC-WTC_000202848