American Red Cross Blood Drives -- Martinez: 10 a.m.-4 p.m. Contra Costa Regional Medical Center, 2500 Alhambra Ave. Appointments, 800-733-2767, www.redcrossblood.org (code: ccrmc)).Walnut Creek: noon-5 p.m Sept. 8. John Muir Medical Center, Ball Auditorium, 1601 Ygnacio Valley Road. Appointments, 800-733-2767, www.redcrossblood.org (code ...
