NYC-WTC_000208567

NYC 9/11 Public Portal Document

M TEM Asbestos fair) Count Sheet Client Name: Cole Volume (liters): 450 Lab Group #: 7702 Filter Type / Filter Area: MCE 38.5 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124 Hi Client Sample #: 2 Area Examined: 0.1124 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 10 Analysis Date: 5/11/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length JD of Structure N or v EDS No >=05 p :>=5p Nonasb (Nonadb F 8 C M Chrys Amphibole Ambig/NO No Coord <5p Elements)

- X

ZZ1’

MN

Ml

Nl

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance; a/= Positive diffraction pattern properties conforming 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 M >5p '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHtBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apad Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC1OO_O1O194495

NYC-WTC_000208567