NYC-WTC_000202268

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYGBOEi Volume (liters): 1832 /7 il - Cab Group #: 6416^ Filter Type / Filter Area: MCF 3 85 mtir 7 Lab Sample #: 6 Grid Opening Size: 0.01124,< 1/ Client Sample #: Q6 Area Examined: C.04496 rnm^^- GRID BOX: Magnification: 7 20 000 GRID ID: Accelerating Voltage: 100 EeV # Grid Openings: 4 'l l Analysis Date: 1/24/02

Analysis Performed By: i ROMANPEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or I EDS ! No (Nonadb j F B M >=05 p ~ >=5|J Chrys Amphibole Nofiasb Ambig/ND No Coord Elements) I <5p

Vf <■

: H - ■ ■

3B

I

Struct = > 0.5p > 5:1 Aspect Ratio I Grid acceptEnce: y'= Positive diffraction pattern properties conforming toJ <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate Coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >bp N -EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ^AMTHIBOLESl Amphibole F = Single Fiber i Amosite ' 1 B = Bundle {<3 fibers <1 fiber diameter apart crocidolite 1 Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Nou-Identified Actinolite NSD A No Structures Detected

CITY_21MC100_011276216

NYC-WTC_000202268