NYC-WTC_000223680

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC: BOE Volume (liters): !92S Lab Group #: 7382 Filter Type / Filter Area: MCE 3S5 mm Lab Sample #: 7 Grid Opening Size: 0 0! 124

C lient Sample #: 07 Area Examined: 0.04496 mnr

GRID BOX: Magnincation: 20.000 GRIDID: ■Accelerating Voltage: too KeV # Grid Openings: 4 ■Analysis Date: 4 11 02 ■Analysis Performed By: f\/

ROMAS PEYSAKHOV

GO Structure Structure Type Length iC of Stfuciure \ or No F B M >=05 p >-5lJ I Chrys ’^-::ipti:uCi& NonasO , Ampic !\o Coord „ <5p 72 .c..LC 7t 1 I 4 X OS

1-----f

■Struct ■ ■ 0,5u -5:1 .Aspect Ratio Grid acceptance:

Positive diitraciion pattern properties corlorming to <50% undissoived filler, overlapped or folded Totals -afcpratcr/ identification criteria obsen/ea <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gric squares <5% F B M 7= eOS specuum coniorming ;o iacoraicry holes or opaque areas Depiiiicaticn cniena ocserved Chrvsoiile AMPHIBOLES Amphibole - = Shcyie -ioer •Amosite 5 = curate KJ fibers <1 fiber diameter apart Crocicolite ■Ambiguous : C = Cluster I >3 Intersections! Anthopnyllite Son- Asbestos . Tremolite M = •■latftx \i)ii-ideniined Actinolite NSu = 'so Structuies Cetecteo

CITY_21MC100_002919739

NYC-WTC_000223680