NYC-WTC_000228466

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1S08 Lab Group #; 7321 Filter Tne / Filter Ai ea: MCE 385 mm- Lab Sample #: 10 Grid Opening Size: 0.(11124 Client Sample #; 10 Area Exaniiiied: O.<)4496 mm^ GRID BOX: Magnifivation: ZO.OOO GRID ID: Acevicrating Vol age: 100 KeV #■ Grid Openings: 4 Analysis Late: 4z-i/U2

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Siructure N or y EDS No (Nonadb F B C M >=05 p >=5|j Chrys Aripnibole Nonasb AmbigiND Elements) No Coord <5p

<5^

t i

Struct^ >;l.5p >5:1 Aspect Ratio Grid acceptance: V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory ide ntification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F I B '■ ! M j >5u y'= EDS spectrum conforming to laboratory holes or opaque areas identification ;n!eria observed Chi-; sotile AMPHIBOLES \inp ill bole F = Single Filler Amosite Xmbiuuous B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite C = Cluster (>3 Intersections) Anthophyllite ■n-Asi)csiOh T remolite M = Matrix ;-ldeii'.itk'd Actinolite NSD = No Structures Detected

CITY_21MC100_002900684

NYC-WTC_000228466