NYC-WTC_000230522

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sh^t Client Name: OTC BOE Volume (liters): 1920 Lab Group #: 9133 Filter Type / Filter Area: MGE 385 mm- Lab Sample #: 13 Grid Opening Size: 0.01124

Client Sample#: 13 Area Examined: 0.04496 mm-

GRID BOX : Magnification: 20,000 GRIP ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 11/28/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length iO of Structure STor T EDS i T h'WR’ (Ncnadb I No F B ; C M >=5tJ Chrys Amphibole Nonasb Ambra/ND I No Coord <51J I Elements) I

I

6'

-------------- -------------- ^-M~i . i i in i r M i ZZZZZZlZFFjFZZXJ Photo No. itrom 1 in 5 asbestos oontaining samples) Grid axeptance: Struct = ’ O.sp > 511 .Aspect Patio Totals <50°'o undissolveo f iler, overlapped or folded '; = Positive diffraction oattern prooerties coniorming ‘o <10% parSculaie coverage >50% coverage ate laooratety identiticaitor critBna observed least 20 unfolced or overlapped grid squares <5% F j B j C i M i >5u holes or opaque areas 7- EOS spectrum conforming to iaboratorr Chrvsotfie i i i i idsmitication criteria obssrvec amphiboles Amphibole I 1 - = Single .-iber J ij S = Sundls (<3 fibers <1 fiber diameter acart Amosite Crocidolite Ambiguous j G = Cluster vi Intersections) Anthophyllite j Non-Asbestos i Tremolite M - Matrix ( Non-Identified ; Actinolite MSD = No Striiiffures Detected

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CONFIDENTIAL, CITY_2IMCI00_011771465 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230522