FREE CNA Precertification Training Apps for our next class available Dec. 12th, starting at 6:00a.m. at Mark Twain Conv. Hospital. 900 Mountain Ranch Road, San Andreas, Ca. Ph. 209-754-XXXX. Required. include photo ID, matching SS#, no history of criminal conviction, at least eighteen y/o and expertise to commit to seven weeks, M-F, 6a.m. to two p.m.