If you worked with asbestos in Manitoba you must make a decision between applying for WCB or finding a lawyer to obtain compensation for you and your family. An excerpt of the legislation that covers this issue is here:The Workers Compensation Act C.C.S.M. c. W200
Right of Action Against Person Other Than Employer
9(1) Where an accident happens to a worker in the course of his employment under such circumstances as entitle him or his dependants to an action against some person other than his employer, the worker or his dependants, if entitled to compensation under this Part, may claim the compensation or may bring such an action.