NYC-WTC_000202847

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 3900 Lab Group #: 9035 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 3 Grid Opening Size: 0.01124

Client Sample #: Area Examined: 0.24728 mm=

GRID BOX: Maunification: 20,000 ///^ Accelerating Voltage: 100 KeV GRID ID: # Grid Openings: 22 Analysis Date: 10/29/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length IDofStnjcture N or EDS (Nonadb No F B C >=05 |j i =5|J Chrys Amphibole Nonasb Ambig/ND No Coord <5|J Elements)

3 s-1)5: ASS. XZ33Z •7 Pl

/X A

//-

' .-’hotoNo. (from 1 in 5 asbestos containing samples) Grid acceptance: Struct = > 0.5p > 5:1 .Aspect Ratio <50% undissolved filter, overlapped or folded Totals \ = Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate !aboratc7 identification criteria observed least 20 unfolded or overlapped gnd squares <5% [ ) F I B I C I M ) >5u holes or opaque areas V - E'DS spectrum conforming to laooratory Chrysotile identification criteria obser/eo .AMPHIBOLES i Amphibole p = single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite i Ambiguous j I i C - Cluster ;>3 intersections) Anthophyllite Non-Asbestos j Tremolite M = Matrix Non-Identified ! Actinolite MED = No Structures Detected I___ ____ . .... ...'

CITY_21MC100_003069314

NYC-WTC_000202849