NYC-WTC_000227661

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE '-.'oluine (liters): i SI (r Lab Group #: 7321 Filtei i e / Filter Area: M 335 nun- Lab Sample #: 14 t-ij'.i ' Opening Size: 0.(11 124 Client Sample #: 14 Aiea Exam in eel: 0.1'4496 mm* GRID BOX: MaijiUkation: ZI'.OOO GRIDID: Acct-tf! atiiig Voltage: 100 KeV # Grid Openings: 4 Anitivsi.s Date: 4.4/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length .0 of / iuctuie Nur \ EDS No (Nonadb F B C M >=05 p ~ >=5|4 Chrys । A,,.,.:,toote Nona-b Amoiy.TJD No Coord Elements) <5p

•3

Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: 4= Positive diffraction pattern properties conforming to <50% undissoPed filter, overlapped or folded Totals <10% particulate coverage >50% coverage ale laboratory idenlification critena observed least 20 unfolded or overlapped grid squares <5% F 1- M >5u ■/= EDS spectrum conforming lo laboratory holes or opaque areas idenlification criteria observed Chf ii'iilu amphiboles vmf lihoic F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite mbiutioiis C = Cluster (>3 Intersections) Anthophyllite i-A: dcMOS Tremolite M = Matrix -Ide itdicd Actinolite NSD = No Structures Detected

CITY_21MC100_0 02899135

NYC-WTC_000227661