Trash containers should be located in all work areas If hazardous substances are involved, it will be necessary to provide specially labeled containers for each type of waste. -Tools and materials must be placed where they will not create a hazard for others. All dirty rags must be placed in metal containers.. Spilled liquids can cause environmental, safety, and health problems and must be cleaned up immediately Change areas must remain clean. Do not let soiled clothes, food scraps, and soft drink containers accumulate. Drinking cups, sandwich wrappers, paper bags, and other trash must be disposed of properly. Toilets, wash facilities, drinking fountains, and water cans are provided for your convenience and welfare. You are expected to keep them clean and sanitary.