NYC-WTC_000196784

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8809 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: 15 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 - GRID ID: Accelerating Voltage: TOO KeV ft Grid Openings: 4 Analysis Date: 9/5/02

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure Norv EDS (Nbnadb No F B C M >=05 p :>=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

a- ^-3 ^<3

Struct = > 0 5p >5 I Aspect Ratio Gnc acceptance >/= Positive diffraction pattern properties conlorming to <50% undissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C M >5p 'i- EDS spectrum conforming to laboratory holes or opaque areas . identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx Non-Identified AcPnolite NSD = No Structures Detected

CITY_21MC100_003042901

NYC-WTC_000196784