NYC-WTC_000214229

NYC 9/11 Public Portal Document

TEMAsbestosIairLCount Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7976 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: /7 Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 6/5/02

Analysis Performed By; ROMAN PEYSAKHOV < GO. Structure Structure Type Length ID of Structure N or 'V EDS No (Nonadb F B C M >=05 p :>=5p Chrys Ampbibote Nonasb Ambig/ND No ■ Coord <5p Elements)

/I

Struct = > 0.5m > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulatB coverage >50% coverage ate least 20 unfolded or'overlapped grid squares <S% F B C M >5p 'I- EOS spectrum conforming to laboratory holes or opaque areas I identification criteria observed Chrysotile fAMPHIBOLES ! Amphibole F = Single Fiber Amosite ) B = Bundle (<3 fibers <1 fiber diameter apart : Crocidolite Ambiguous ! Anthophyllite C = Cluster (>3 Intersections) Non-Asbestos Tremolite M = Matrix Non-Identificd NSD = No Structures Detected Actinolite __ L....

CITY_21MC100_002852795

NYC-WTC_000214229