Identify chemical contamination markers with 100 percent accuracy and notify your supervisor. Start the steps to decontaminate yourself within 1 minute of finding chemical contamination. Decontaminate your individual equipment after you have completely decontaminated yourself. Identify chemical or biological hazard Automatic Masking Criteria. A positive reading is obtained on detector paper.
Individuals exhibit symptoms of chemical or biological agent poisoning.
Commanders at all levels may establish a modified policy, when chemical weapons have been employed, by designating additional events as automatic masking criteria. The mask gives immediate protection against inhalation of agent vapors. Do not fasten the hood, but go immediately to the next step. Give the alarm. Take cover, using whatever is readily available to decrease the amount of agent contact.