NYC-WTC_000219493

NYC 9/11 Public Portal Document

TEMAsbestoslairlCou nt Sheet Client Name: NYC BOE Volume (liters): 1816 Lab Group #: 6885 Filter Type / Filter Area: MCE 3S5 n-.nv Lab Sample #: 8 Grid Opening Size: 6.01124

Client Sample #: 16 Area Examined: 0.04496 ■ mm

GRID BOX: ■Vlagnification: 26.006 GRID ID: Accelerating Voltage: 160 KeV # Grid Openings: 4 Analysis Date: J 2.62

Analysis Performed By: MARK PEYSAKHOV

GO : Structure Structure Type Length O of Strucfu^e --------- i No Non 300 F B C W >=05 M >=5p Chrys Ampnibole ; Nonaso \ Amcig/No No Coord i <5p EieTiC-1;!

a X > -

A'

----- r I I

Struct = ■> 0.5p > 5; 1 Aspect Ratio Grid acceplance: v = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% [ i E ' B i C i v= EDS spectrum conforming to laboratory holes or opaque areas identification cnteria observed Chrysotile .AMPHIBOLES Amphibole , F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Malnx Actinolite Non-Identified i NSD = No Structures Detected

CITY_21MC100_002881184

NYC-WTC_000219493