NYC-WTC_000223683

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NV'C BOE Volume (liters): 1920 Lah Group 7390 FTker^IAge/J^nter^AreaL MCE 3 Sy nni'- Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.04496 mrn-

GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 ■Analysis Date: 4/13/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Strjclure \ or v No F B C M >=05 u Chrys Amphibole i Nonaso i Amoigi No Coord <5m .emertsi

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance; >/= Positive diffraction pattern properties conforming to "5°”^ undissolved filter, overtapped or folded Totals laboratory identification criteria observed * 10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grd squares <5% I F i B ! C M '/= EDS spectrum conforming to laboratory holes or opaque areas identification entena obsenred Chrysotile ; t i T" ■AMPHIBOLES Amphibole ; , ; : F = Single Fiber Amosite B = Sunale (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous ; C = Cluster |>3 Intersections) Anthophyllite Non-Asbestos i T remoiite M = Matnx Nun-Identified Actinolite NSO = No Structures Detected

CITY_21MC100_002919747

NYC-WTC_000223683