NYC-WTC_000193386

NYC 9/11 Public Portal Document

TEMAsbestosfairlCountSlit Client Name: NYC BOE Volt: 1 8 Lab^irou^Jl 8213 Filter Type / 1 2 385 mm- Lab Sample #: 12 Grid Oi !;4

Client Sample #: 15 Area L mm^

GRID BOX: M:, H 2 GRID ID: Accelerat i 12 1 ' KeV # Grid Openings: 4 Al' : 6 ’/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length IDo! or y EDS No Amphibok (Nonadb F ! B C M >=05 p >=5p Chrys Am '-ID No Coord <5p Elements) Al-

■7

Struct = > 0.5|u >5:1 Aspect R.atio Grid acceptance: V= Positive diffraction pattern properties cenforming to <50% undissolved filter, overiapped or folded tals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% V=- EDS spectrum conforming Io laboratory/ holes or opaque areas fT; A M >5u Ch identification criteria observed ; AMPHIBOLES i [ ~ An" F = Single Fiber Amosite B =: Bundle (<3 fibers <1 fiber diameter apart ' Crocidolite Am C - Cluster (>3 Intersections) Anthophyllite Non-A Tremolite M = Matrix * Non-lii Actinolite NSD = No Structures Detected l_

CITY_21MC100_003094574

NYC-WTC_000193386