NYC-WTC_000229121

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume filters): 1896 Lab Group #: 7901 Fitter Type / Filter Area: MCE 385 ram' Lab Sample #: 5 Grid Opening Size: 0,01124 Client Sample #: 07 Area Examined: 0.04496 mm- GRID BOX ; Magnification.' 2(),()()() GRID ID : Accelerating Voltage; 100 KeV # Grid Openings; 4 Analysis Date: 5/29/02

Analysis Performed By: KU _____ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or -J EDS SNonadb No F B C M »=05p >=5p Chrys An^hifade Nonasb AmbigffrD No Coord Elements)

Yg 7^8 1

-I

Struct = > 0.5(1 > 5:1 Aspect Ratio Grid acceptance: '/x Positive diffraction pattern properties conforming to undjssol^ filter, overlapped or folded Totals ______ -1_________________ taboratorf Wentfication criteria observedJ <10%parlrajlatecoverage >50% coverage ale least 20 untolded or overlapped grid squares <5% F B C M >5p Vs EOS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthoptiyffrte Non-Asbestos Tremolite W^Mabix Actinofite Non-Identifieri NSD = No Structures Detected

CITY_21MC100_002902238

NYC-WTC_000229121