NYC-WTC_000218081

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NAT BOE Volume (liters): ^920 Lab Group #: 6S72 Filter Type ' Filter Area: MCE miT-

Lab Sample #: 14 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: O..')44<)6 mm-

GRID BOX: Magnification: 20,()U0 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3. !/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 'j EDS : No >=05 p Nonast (NonadC : F B C M >=5p Chrys Amphibole Ambig/TvlD Ele.ments) , No Coord <5p

Struct = >0.5p >5:1 Aspect Ratio Grid aaeptance: V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% paniculate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% i F i B i C I M i '/= EDS spectrum conforming to laboratory holes 0,’- opaque areas identification criteria observed Clirysotile । i___ I AMPHIBOLES Amphibole j i i F = Single Fiber Amosite B = Sunale (<3 libers <1 liber diameter apart Crocidolite Ambiguous i C = Cluster (>3 Intersecbons) Anthophyllite . Non-Asbestos”T T Tremolite -t ! M = Matrix Actinolite Non-Iuentified • NSD = No Structures Detected

CITY_21MC100_000465857 NYC-WTC_000218081