Ingestion

 
It is possible to accidentally eat chemicals that are health hazards.   To insure that you do not accidentally eat any of the chemicals you work with:
1.  Never eat foods in areas where chemicals are used.
2. Never smoke in areas were chemicals are used.
3. Wash your hands and face with soap and water after working with chemicals before you eat, drink, or smoke.
4. Don't reuse chemical containers for food storage, even if they have been washed out.