Environmental conditions include exposure to disagreeable odors and unpleasant items (body odor, dirty clothing, human feces), hazardous chemicals, communicable diseases (T.B., hepatitis, AIDS), mentally unstable individuals and individuals under the influence of controlled substances. Intervene in emergency situations such as fights, suicide attempts, medical emergencies, or fires by restraining inmates, applying life saving measures and/or first aid, performing safety measures, enforcing rules, responding to calls for assistance or by notifying proper authorities.