The RNs, members of the California Nurses Association/National Nurses United have been calling on the County to step up to the plate and assume responsibility for management and operation of the hospital and its emergency room as a full service hospital. The facility could close as soon as July. The Board meeting is scheduled to begin at 9 a.m. at the county administration building, 651 Pine St. in Martinez. CNA RNs have stepped up a widespread community effort to keep the hospital open and have it run by the county as essential to protecting access to critical hospital and emergency services in West Country Costa County. RNs note that DMC provides 60 percent of the emergency care in the region, some 40,000 patients a year and has 79 percent of the hospital beds.