NYC-WTC_000193384

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sht Client Name: NYC BOE Volti OS Lab Group #: 8213 Filter Type /1 CE 385 mm^ Lab Sample #: 10 Grid O|) H24 Client Sample #: 13 Area : 4'16 mm^ GRID BOX: Mu ,000 GRID ID: Acceleratii '0 KeV # Grid Openings: 4 Ail; 22/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID ofS EDS I No (Nonadb | F B C M >=05 p :>=5p Chrys Amphibole g/ND No: Coord <5m Elements) 1

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: V- Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% C M >5tJ V - EDS spectrum conforming to labcratory holes or opaque areas identification criteria observed Chi AMPHIBOLES Am I F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter a pal Crocidolite Amb C = Cluster (>3 intersections) Anthophyllite Non-As Tremolite M = Matrix Non-Ide: Actinolite NSO = No Structures Detected

CITY_21MC100_003094572

NYC-WTC_000193384