NYC-WTC_000210572

NYC 9/11 Public Portal Document

TEMAsbestosfairLCount Sheet Client Name: Airtek Volume (liters): 1370 Lab Group #: 6152 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 20 Grid Opening Size: 0.01124 Client Sample #: 030 Area Examined: 0.06744 mm-

GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 12/20/01

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or v EDS (NonaOb No F 3 C M ■>=0^0 i>=5|J Chrys Amphibole Nonasb Ambig/ND No Coord <Sy Elements)

Struct = > 0.5)1 > 5:1 Aspect Ratio Grid acceptance; •/= Positive diffraction pattern properties conforming to undissolved filter, overtapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C M >5y 'i= EDS spectrum conforming to laboratory holes or opaque areas identification critena observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite S = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx I Non-Identified Actinolite NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000021409

NYC-WTC_000210572