NYC-WTC_000208247

NYC 9/11 Public Portal Document

TEM Asbesfos fair) Count Sheet Client Name: NYC BOL Volume (liters): 1912 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0.C4496 mm-

•GRID BOX: Magnification: 20,000 GRID ID: Accelerating V oltage: too KeV # Grid Openings: 4 Analysis Date: 9/10/02

Analysis Perl) rmed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N EDS (Nonadb No F B C M >=05 p ; ■=5p Chrys Amphibole Nonasb j Ambig/ND No Coord <5p Elements)

a

1----- i -I----- f J—i

Struct = > 0.5g > 5:1 Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conform: ig to <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 ] VN >5u Ve EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile I F - Single Fiber .AMPHIBOLES Amosite Amphibole Ambiguous ZT 9 = Bundle <r fibers <1 fiber diameter apart Crocidolite C-= Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite t'tSD = No .Structures Detected

CITY_21MC100_003021235

NYC-WTC_000208247