Document maOYXQkod829RRLvEEDjVL9b

Before 1970, did you ever manufacture or sell products which did not contain asbestos and which could be substituted for your asbestos-containing products? If so, state the date such asbestosfree products were first placed on the market. RESPONSE: Asbestos-containing ' friction products have different characteristics than non-asbestos friction products and, therefore, one is not a substitute for the other. INTERROGATORY NO. 55: Have any products you identified in your response to Interrogatory Nos. 52 and 54 not performed as intended? Please list all such products that have not performed as intended. RESPONSE: Not applicable. INTERROGATORY NO. 56: Did your company or its predecessor(s) or subsidiaries ever make, order, or arrange for any industrial hygiene surveys regarding asbestos or asbestos-containing dust? If so, give the date of such surveys and state who, or what entity, was responsible for completion of such surveys. RESPONSE: See response to 8. INTERROGATORY NO. 57: As to either the threshold limit values or maximum allowable concentrations of both asbestos dust and total dust provided by the American Conference of Governmental Industrial Hygienists, state: 42