NYC-WTC_000207492

NYC 9/11 Public Portal Document

TEMAsbestos fair) Count Sheet Client Name: NA^CBOE Volume (liters'): 1944 Lab Group #: 8121. Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: Grid Opening Size: 0.01124-

Client Sample #: 1'2 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/15/02'.

Analysis Performed By: ROMAN PEYSAKHOV

GO. , structure Structure Type . Length ■ ID of Structure Norv EDS ■ (Nonadb No Coord ■No F B c M >-05 (J <5m >=5p Chrys Amphibole Nonasb ■ Ambig/ND Elements)

cf

Struct = >0.bp >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded I Totals laboratory identification criteria observed • <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B G M >5p 'i- EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ’ AMPHIBOLES "1 Amphibole F = SingleFiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart ' Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003015295

NYC-WTC_000207492