NYC-WTC_000202540

NYC 9/11 Public Portal Document

.? • TEM Asbestos fair) Count Sheet Client Name: ATC Volume (liters): 1944 Lab Group #: 8S37 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 7 Grid Opening Size: 0.01124 j Area Examined: 0.04496 mm^ Client Sample #: 07 GRID BOX: m / A/ Magnification; 20,000 GRID ID: ■'AW Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/15/02

Analysis Performed By: ' / ’ROMAN PEYSAKHOV

. GO. Structure J StrucSure Type Length 10 oi Structure Nor 7 EDS INonadb LNo ip 8 G M >-05 u Chrys Amphibole Nonasb Amble,'NO No Coord <5u Elements)

er I tf 4-0 6

Struct = > 0,5u ■ j l Aspect Ratio Grid scceptarcs: 7= Positive diffraction pattern procerties conforming to ^S0% undissolved litter, overlapped or folded Totals r'i 0% paniculate coverage >50% coverage ate laboratory identiScaaon criteria observed east 20unfolded or overiapoed grid squares <5% B C M >5ui 'i- EDS spectrum, conforming to laboratory holes or ODacue areas ________p icentitication criteria observed,’ Chrysotile , ,AMPHIBOLES .Amphibole F ' Single Fiber Amosite B ■= Bundle (<3 libers <1 fiber ciameter apart Crocidolite Ambiguous C'= Cluster (>3 Intersections; Antnophyllite Non-Asbestos ’ Tremolite W F Matrix Non-Identified Actinolite NSD = Mo Structures Detected

CITY_21MC100_003273259

NYC-WTC_000202540