NYC-WTC_000229022

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1816 Lab Group #; 7826 Fitter Type / Fitter Area: MCE 385 mm^ Lab Sample #: 17 Grid Opening Size: 0.01124 Client Sample #: 19 Area Examined; 0.04496 rnm-

GRID BOX; Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/21/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type LengBi ID of Structure N or v EDS J (Nonadb I No F 0 C M >=05 (J Chrys Ampfi telle Nonast) Amoig/ND Etemens) ! No Coord <5M

t +

i

Struct = > O.Sp > 5; I Aspect Ratio Grid acceptance: •J - Poaiive diffraction pattern properties conlorming lo <50% undissolved filter, overlapped or folded Totals laboratory identfication criteria observed <10% paraculata coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C >5p EDS spectrum conforming to laboratory holes or opaque areas ideniifetion criteria observed Chrysotile AMPHtBOLES Amphibole F = Single Fiber Amosite Crocirdolite Ambiguous B = Bundle |<3 fibers <1 fiber diameter apart --------------------- 1. C = Closter (>3 InterserSons} Anttioptiyllite Non-Asbestos Tremolite M = Matnx Actinofite Non-Jdentified i WSO - .No Structures Detected

CITY_21MC1OO_OO29O2O58

NYC-WTC_000229022