NYC-WTC_000210547

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Airtek Volume (liters): 1310 Lab Group #: 6149 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 014 Area Examined: 0.06744 mm‘

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 6 Analysis Date: 12/19/01

Analysis Performed By: ROMAN PEYSAKHOV

GO ! Structure Structure Type Length ID of Structure N or V EDS I No (Nonadb F 8 C M >=05 u I >=5|J Chrys Amphibole Nonasb Ambig/ND Elements) No Coord I

‘S i ____ 3-TZ. /?, "u ~1

Tvs

Struct=>0.5p >5:l Aspect Ratio Grid acceptance: 4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

4= EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas Tf B c M >5|J

idenSfication criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 6 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000021383

NYC-WTC_000210547