NYC-WTC_000201825

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 ■ ; 2 Ay Lab Group #: 6939 ' Filter Type / Filter Area: MCE 385 mnY Lab Sample #: 12 Grid Opening Size: U01T24 \ Client Sample #: 12 Area Examined: 0.04496 mm-

GRID BOX: Magnification:20,000; GRID ID: Accelerating Voltage: • 100 KeV - # Grid Openings: 4 Analysis Date: 3/5Z02 1

Analysis Performed By: MARK. PEYSAKHOV

; GO. Structure Structure Type Length ID of structure Nor 2 EDS I (Nonadbt ; i No F B C M >=Ap >-5|j . Chrys Amphibole Nonasb Arnbig/ND No Coord ■ <5u • Elements)

2 a'l2^x^^ y a- 1- 2J7~ 23 J- p 4-

; r Strutl = > O.Spi > 5; 1 Aspect FOatio ' Grid acceptance; 2= Positive diffraction pattern properties confcrming to <50% undissolved filter, averiapped or folded T'otals laboratory identification criteria observed <10% particulate coverage >50%,coverage ate least 2C unfolded or overlapped grid squares <5% F B C M 2= EDS spectrum conforming to laboratory hplss oropacue areas - ; Identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C - Cluster,(>3 Intersections) Anthophyllite Non-Asbestos , ; Tremoliter M = Matrixy 1 i , Ndn-Identified Actinolite NSD =,Mo St'uctures Detected i 1

CITY_21MC100_003269192

NYC-WTC_000201825