NYC-WTC_000229248

NYC 9/11 Public Portal Document

TEMAsbestosfdr) Count Sheet Client Name; NYC BOE Volmnc filters): 1824 Lab Group #: 8038 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #; 17 Area Examined: 0.04496 mm"

GRID BOX: /g<g- Magnification; 20 000 GRID ID: Accelerating Voltage; 100 KeV # Grid Openings; 4 Analysis Date: 6/10/02

Analysis Performed By; ROMAN raVSAKHOV

GO. Structure Structure Type Length IDofStnietora Nor V EDS No >eO5M Nonasb (Nonadb F B C M >=5|j Chrys Amphibole AoWND Elements) . /I No Coord <5m V/yzzee:

Tt-—

Struct = > 0.5p > 5; i Aspect Ratio Grid acceptance: Positive diffractiwi pattern properties conforming to <50% unCissotved Alter, overlapped orfotded Totals laboratory ktentifeatton criteria observed <10% particulate coverage >50% coverage ate least 20 untotded oroveriapped grid squares <5% F B C M >5m EOS spectrum contorming to laboratory tides or opaque areas iPentiltoation criteria observed Chrysotile AMPHIBOLES 1 Amphibole F= Single Fiber Amosite g = Bunds (<3 fibers <1 fiber diameter apart Cfocklolite Ambiguous C = Cluster l>3 Intersections) ' Anttiophyllite Non-Asbestos Tremolite M = Mairi* Actinolite Ncn-Identified NSO = No Structures Detected

CITY_21MC100_002902414

NYC-WTC_000229248