swimmers of unsafe environmental or health conditions, ocean conditions of rough water or hazards, and recommends... closing swimming areas until safe conditions prevail. When working at pools, may operate water pumps and control chemical additives...
, ocean conditions of rough water or hazards, and recommends closing swimming areas until safe conditions prevail. When... working at pools may operate water pumps and control chemical additives to ensure pool water meets specific standards...
conditions, ocean conditions of rough water or hazards, and recommends closing swimming areas until safe conditions prevail. When... working at pools, may operate water pumps and control chemical additives to ensure pool water meets specified standards...
assistance if and when needed. Warns swimmers of unsafe environmental or health conditions, ocean conditions of rough water... or hazards, and recommends closing swimming areas until safe conditions prevail. When working at pools, may operate water pumps...