NYC-WTC_000192009

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volnme Hitersk 1920 Lab Group #; 7732 Fillet Type/FBter Area; MCE 385 mm^ Lab Sample #; 16 Grid Opening Size; 0.01124 Client Sample #; 16 Area EMmtned: 0.04496 mm" GRID BOX; MaiPlftcatiop: 20,000 GRIP IP; ’Zt® Accelerating Voltage: 100 KeV #Grid il 4 LEW 5/13/02

Analysis Performed By; ROMAN PEYSAKHOV

GO. Structure StnidureType Length IDofSttucturo Nor V EOS (Nonadb No F B C M >=05p >=5p Chrys AmpliMe Nonasb AnMgMX <5p Etements)

2 4 i 1(5

Struct = > 0.5n >5;1 Aspect Ratio Grid acceptance: '/=Posriivedilfracta pattern properties conforming to laboratoiy - identification criteria observed <io%p8rBCumcovereB^>5u%ooMM9eaw least 20 unfolded or overlapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identiflcatton criteria observed Chrysotile AMPHIBOLESj Amphibole F = Single Aber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite : Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Structures Detected

CITY_21MC100_003092082

NYC-WTC_000192009