NYC-WTC_000228728

NYC 9/11 Public Portal Document

TEMAsbestosfair) Count Sheet Client Name: XYCBOE Volume (liters): 1800 Lab Group #: 7602 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 0.01124

Client Sample 18 Area Examined: 0.04496 mm"

GRID BOX: GRID ID: -ML Magnification: Accelerating Voltage: 20 000 100 KeV # Grid Qpenines: 4 Analysis Date: 5/1/02 Analysis Performed By: /^'

ROMAN PEYSAKHOV

GO. Structure Structure Type Length fD of Structure N or v EDS ) No (Nonadb { F 8 C M >=05 p :>=51J Chrys Amphibole Nonasb AmbigiNO Elements) ! No Coord <5p : I /B 7J —

i

Struct = > O.Sju >5:1 Aspect Ratio Grid acceptance: PosiPve diffracton pattern properties conforming to *50% undissolved liter, overiapped or fofded Totanis laboratory oemification criteria observed *: parfculate coverage >50% coverage ate least 20 unfowsd or overtapped grid squares <5% i F B C i M i >5u EDS spectrum conforming to laboratory holes or opaque areas identification cntena observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diemeter apart CrociOoiite Ambiguous C = Ouster (>3 Interseaions) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Idenitfied Actinolite NSD = No Structures Detected

CITY_21MC100_002901577

NYC-WTC_000228728