(a) “Background sound level”
means the level of all sounds in a given environment, independent of the specific source being measured.
(b) “dBa”
means the sound pressure level in decibels measured using the “A” weighting network on a sound level meter. The sound pressure level, in decibels, of a sound is twenty times the logarithm to the base ten of the pressure of twenty micropascals.
(c) “EDNA”
means the environmental designation for noise abatement, being an area or zone (environment) within which maximum permissible noise levels are established.
(e) “Person”
means any individual, corporation, partnership, association, governmental body, state agency or other entity whatsoever.
(f) “Property boundary”
means an imaginary line exterior to any enclosed structure, at ground surface, which separates the real property owned by one person from that owned by another person, and its vertical extension.
(g) “Racing event”
means any motor vehicle competition conducted under a permit issued by a governmental authority having jurisdiction or, if such permit is not required, then under the auspices of a recognized sanctioning body.
(h) “Receiving property”
means real property within which the maximum permissible noise levels specified herein shall not be exceeded from sources outside such property.
(i) “Sound level meter”
means a device which measures sound pressure levels and conforms to Type 1 or Type 2 as specified in the American National Standards Institute Specification S1.4-1971.
(j) “Watercraft”
means any contrivance, excluding aircraft, used or capable of being used as a means of transportation or recreation on water.
(Ord. 3-A (1975) § 2, 1975)