NYC-WTC_000202308

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: m’CBOE Volume (liters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE '385 ram^ Lab Sample #: 1 Grid Opening Size: 0.01124 -

Client Sample #: 03 Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Pate: 12/26/200

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 4 EDS No (Nonabb r B C M ’-VC >=5p Chrys Amphibole Nonasb Ambig/ND No Coord ■rSp Elements)

/• 3TF

A

4

Photo No. (from 1 in 5 asbestos containing samples) Grid acceptance: Struct = > 0.5p > S:") Aspect Ratio <50% undissolved filter, overlapped or folded Totals V- Positive diffraction pattern properties conforming to <1C% particulate coverage >50% coverage ate laboratory identification criteria observed ieast 20 unfolded or overiapped grio squares >5m <5% holes or opaque areas F B C M 0= EDS spebtrum conforming to laboratory identification criteria observ'ed Chrysotile AMPHIBOLES F = Single Fiber Amphibole' Amosite- B = Bundle (<3 fibers <t fiber diameter aoart Crocidolite Ambiguous ' C = Cluster (>3 Intersections! Anthophyllite Tremolite INon-Asbestos M = Matrix Actinolite Non-Identified NSD = No Sttoctures Detected

CITY_21MC100_011276455

NYC-WTC_000202308