Malfunction means any sudden, infrequent, and not reasonably preventable failure of air pollution control equipment, process equipment, or a process to operate in a normal or usual manner. Failures that are caused in part by poor maintenance or careless operation are not Malfunctions.
Direction-indicator lamp means the lamp used to indicate to other road-users that the driver intends to change direction to the right or to the left;
Disinfection profile means a summary of daily Giardia lamblia inactivation through the treatment plant. The procedure for developing a disinfection profile is contained in s. NR 810.32.
Emergency contraception means any health care treatment approved by the food and drug administration that prevents pregnancy, including but not limited to administering two increased doses of certain oral contraceptive pills within seventy-two hours of sexual contact.
Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.