DISPERSION OF ASBESTOS IN POLYSTYRENE "Calidria" Asbestos RG-600 Untreated "Calidria" Asbestos These electron micrographs show that surface-treated "Calidria" asbestos RG-600 disperses more readily in polystyrene resin than untreated "Calidria" asbestos.

Subject to and without waiving these objections, and insofar as Abex understands this interrogatory, see Answer to Interrogatory Nos. 19 and 20. -73-

INTERROGATORY NO. 39: Withdrawn by plaintiff or stricken by the Court.

INTERROGATORY NO. 77: Describe, in detail, any and all tests, if any, conducted by Defendant, any predecessor or any related company, or anyone acting on behalf thereof, concerning the quantity, quality or threshold limit values of asbestos dust or particles to which applicators or consumers of asbestos-containing products were exposed while using any product identified in response to Interrogatory Nos. 19 and 42, Including:________________________ ___ _______ _ _________________ (a) The product being used; (b) Identify any and all person(s), firms) or entity(ies) conducting or participating in the conducting of said test; (c) State the dates) of said test: (d) Describe the methodology, results and conclusions of said test; (e) Identify any and all documents referring to, relating or reflecting said test or the results and conclusions thereof; and, (f) Identify any and all persons to whom any document referring to, relating to or reflecting the results or conclusions of said test was sent.

Page 155 1 THE WITNESS: Yeah, I'd like to hear it again, 2 Judge. 3 (Record read.) 4 THE WITNESS: That's what I thought.

1 A I'm not surprised at that.

1 their opinion, did you consider cost of developing Page 246 2 alternative materials to substitute out for asbestos in 3 making that determination?

Page 7 1 2 APPEARING TELEPHONICALLY: The Defendant, Yarway Corporation, was represented by Ms.

PROCEDURE BULLETIN TEXAS CITY PLAN; HOT TAPPING AND PLUGGING PROCEDURE I.

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Balkamp ALPHABETICAL LISTINGS Model INTERNATIONAL HARVESTER (Cont.)

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PLAINTIFF'S EXHIBIT Work Environment CBY 3102515 C 000174 LAM022084 Substance SILICA, S1O2 DUSTS TLV Crystalline {Quartz 114808-60-7] TLV in mppcf *1 300" % quartz +10 TLV for respirable dust in mg/m3: 10 mg/m31'________ % Respirable quartz + 2 TLV for "total dust," respirable and nonrespirable: 30 mg/m3 % quartz + 3 {Cristobalite..........

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