§ 93.50 DEFINITIONS.
   Words and phrases defined in this section have, when used in this subchapter, the meanings given below. Any word or phrases used in this subchapter, and defined in regulations of the Minnesota Pollution Control Agency Noise Pollution Control Section, NPC-1 and NPC-4, has the meaning given in those regulations.
   AIR CIRCULATION DEVICE. A mechanism designed and used for the controlled flow of air used in ventilation, cooling, or conditioning, including, but not limited to, central and window air conditioning units.
   L10. The sound level, expressed in decibels (dBA) which exceeded 10% of the time for a one-hour period, as measured by a sound level meter having characteristics as specified in the latest standards, S1.4, of the American National Standards Institute and using test procedures approved by the Noise Control Officer.
   L50. The sound level similarly expressed and measured which exceeded 50% of the time for a one- hour period.
   PERSON. An individual, firm, partnership, corporation, trustee, association, or any body of persons whether incorporated or not. With respect to acts prohibited or required herein, PERSON shall include employees and licensees.
(Ord. 116, passed 4-25-05)