NYC-WTC_000192010

NYC 9/11 Public Portal Document Client Name: Lab Group #: Lab Sample #: Client Sample #: GRID BOX: GRID ID: #Grid Openings: 4 NYC BOE 7732 17 17 /3< Analysis Performed By: TEM Asbestos (air) Count Sheet Volume (liters): 1920 filter Type / Piter Area: MCE 385 mm Grid Opening Size: 0.01124 Area Examined: 0.04496 mm? Marnification: 20,000 Accelerating Voltage: 100 KeV Analysis Date: 5/13/02 GO. Coord 5H752 z• Z Structure No NOD Structure Type FiB. ROMAN PEYSAKHOV Length >=05 p <5y >=5u Chrys Amphibole ID of Structure Nor Nonasb AmbigiND EDS (Nonado Elements) 5C Struct => 0.5y > 5:1 Aspect Ratio V= Positive diffraction pattern properties conforming to laboratory identification criteria observed V= EDS spectrum conforming to laboratory identification criteria observed F = Single Fiber B = Bundle (<3 fibers ‹1 fiber diameter apart C = Cluster (>3 Intersections) M =Matrix NSD = No Structures Detected Grid acceptance: <50% undissolved filter, overlapped or folded <10% particulate covarage >50% coverage ate least 20 unfolded or overtapped grid squares <5% holes or opaque areas AMPHIBOLES Amosite Crocidolite Anthophyllite Tremolite Actinolite Totals FBCM SU Chrysotile Amphibole Ambiguous Non-Asbestos Non-Identified CITY_21MC100_003092083 NYC-WTC_000192010