NYC-WTC_000227606

NYC 9/11 Public Portal Document

TEMAsbestos fair) Count Sheet Client Name: NYC BOE Volume fliters): 1928 Lab Group #: 7295 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRIP ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/1/02

Analysis Performed By: / \/ ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or v EDS (Monadb No F B C M ■>=0571 I Chrys Amphibole Nonasb Ambig/ND No Coord <5pj I Elements)

0__ -4-----

Struct = > O.Ju > 5:1 Aspect Ratio Grit) acceptance: 'J- Positive diffraction pattern progenies 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 >5u V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chi^sotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <' fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Struciures Detected

CITY_21MC100_002899058

NYC-WTC_000227606