NYC-WTC_000228720

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1800 tab Groufl #: 7602 Filter Type / Filter Area: MCE 385 mm' Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0.04496 mm' GRIP BOX: Magnification:20,000 GRID ID: Z/A^ Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Pate: 5/1/02 ■------------------------------------------------------------------------------------------------------ —

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of structure Nor V EDS ■ No (Nonadt) j F B C M >=05 M Chrys Amphitjole Nonasb AnWg/MO No Coord <5|J Elenients} I

7

Struct = > O.Sg >5;t Aspect Ratio GrW Bcceptanw Positive diffrarttion pattern properbes coriformlng to <50% undfesotved m overiapped or folded Totals laboratory identfication criteria Gbserved * 10% particutaie coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C yM i/= EDS spectrum conforming to foiwralory holes or opaque areas identification criteria observed Chrysotile i AMPHIBOLES Amphibole F = Single Fiber Amosite Ambiguous B = Bundle I >3 fibers <1 fiber diameter apart Crocidolite C = Ciusfer(>3 intersections) Anthophyllite Non-Asbestos T remoiite M = Matrix Actinolite Non-Identified NSC = No Structures Detected i

CITY_21MC100_002901568

NYC-WTC_000228720