NYC-WTC_000218051

NYC 9/11 Public Portal Document

TEM AshedtOd jair) Count Sbee^ Client Mame: m'C BO£ Volume iUtersi: Lab Group #: 6829 r Type Filter Area: 1 ab Sample #: 15 Grid Opening Size:

Client Sample #: 15 Area Examined:

GRID BOX: Magnification: 0 rxKi

GRIDID; ' A Accelerating Voltage: 1 MJ KeV # Grid Openings: 4 Analysis Date: 2 25 02 ,.y — Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type j Length IO of Structure \ or v i EOS No F B C M -05 p >=5(j Chrys j AmphiOoie Nonaso ! AmbioW I f j',No Coord <5p j ' I Eleme.nts/

r.-r-/'

Struct = > 0.5n > 5; I Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >60% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped gnd squares <5% 1 F B i C i M ■ Ac v= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile i iI ! AMPHIBOLES Amphibole + I F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-ldentified kinn ; wn qirurtures Detected

CITY_21MC100_000465798 NYC-WTC_000218051