NYC-WTC_000208214

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client .Name: ATC Volume (liters): 1928 Lab Group 8837 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 GiddJ3peinngSi^ 0.0112 4

Client Sample #: 09 Area Examined: 0.04496 mm-^

GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/15/02

Analysis Peril rmed By: ROMAN PEYSAKHOV

GO Structure StructUi'e Type Length D of Structure Nor 4 EDS (Nonadb , X, No Coord I No C IM >=05 U I >=5p Chrys AmphibZe 1 Nonasb I Ambic/'NC Eiemertsi

If

AC

Struct = > 0.5n >54 Aspect Ratio Grid acceptance!

Positive diffraction pattern properties conformiig to <50% jnaisscivefl filter, overlapped or foloed Totals <10“'o paracjiate coverage >50% coverage ate laporatory loentification criteria observed least 20 jnioioea orovenapoed grid sauares <5% ' F i B ’ C : 01 EC'S spectrum conform.ng to laboratory Coles or opaaoe areas Identification criteria observed Chrvsotile AMPHIBOLES .Amphibole r > Single =iber Amosite E - Scndle ,<2 fibers <1 fiber diameter apart Crocidolite Ambiguous C-= Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix I Non-Identified i Actinolite NSD = No Structures Detected

CITY_21MC100_003021032

NYC-WTC_000208214