NYC-WTC_000207859

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name NYC BOE Volume filters) 1944 Lab Group # 8730 Filter Type / Filter Area MCE 385 mm^ Lab Sample # 6 Grid Opening Size 0 01124

Client Sample # 06 Area Examined 0 04496 mm^

GRID BOX Magnification 20 000 GRID ID Accelerating Voltage too KeV # Grid Openings 4 Analysis Date 8/22/02

Analysis Performed By ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Norv EDS (Nonadb No F B C T’oTp :>=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

-^^-^^=’=^1-^-7, u /( 1

Struct = > 0 5|j >51 Aspect Ratio Gnd acceptance ■J Positive diffraction pattern properties conforming to <50 / undissolved filter overlapped or folded Totals laboratory identification critena observed <10/ particulate coverage >50/ coverage ate least 20 unfolded or overtapped gnd squares <5 / F B C M >5u 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 Actinolite Non Identified NSD No Structures Detected

CITY_21MC100_003016950

NYC-WTC_000207859