Agenda - Council Work Session - 09/09/2014

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Minn. Rules § 7030 Noise pollution 7030.0010 Incorporation by reference For the purpose of chapter 7030, American National Standards Institute, Specification for Sound Level Meters, S1.4 -1983 is incorporated by reference. This publication is available from the American National Standards Institute, 25 West 43r Street 4` Floor, New York, N.Y. 10036 and can be found at: the offices of the MPCA 520 Lafayette Road North, St. Paul, Minnesota 55155; the Government Documents Section, Room 409, Wilson Library, University of Minnesota, 309 19th Avenue South, Minneapolis, Minnesota 55454; and the State of Minnesota Law Library, 25 Constitution Avenue, Saint Paul, Minnesota 55155. This document is not subject to frequent change. The Federal Highway Administration publication, Sound Procedures for Measuring Highway Noise: Final Report, FHWA- DP -45 -1R (August 1981) is incorporated by reference. This publication is available from the United States Department of Transportation, Federal Highway Administration, 1200 New Jersey Avenue S.E., Washington D.C. 20590 and can be found at: the offices of the MPCA, 520 Lafayette Road North, St. Paul, Minnesota 55155; the Government Documents Section, Room 409, Wilson Library, University of Minnesota, 309 19th Avenue South, Minneapolis, Minnesota 55454; and the State of Minnesota Law Library, 25 Constitution Avenue, Saint Paul, Minnesota 55155. This document is not subject to frequent change. 7030.0020 Definitions Subpart 1. Application The terms used in chapter 7030 have the meanings given them in this part. Subp. 2. A weighted A- weighted means a specific weighting of the sound pressure level for the purpose of determining the human response to sound. The specific weighting characteristics and tolerances are those given in American National Standards Institute S1.4 -1983, section 5.1. Subp. 3. Daytime Daytime means those hours from 7:00 a.m. to 10:00 p.m. Subp. 4. dB(A) dB(A) means a unit of sound level expressed in decibels (dB) and A weighted. Subp. 5. Decibel Decibel means a unit of sound pressure level, abbreviated as dB. Subp. 6. Impulsive noise Impulsive noise means either a single sound pressure peak (with either a rise time less than 200 milliseconds or total duration less than 200 milliseconds) or multiple sound pressure peaks (with either rise times less than 200 milliseconds or total duration less than 200 milliseconds) spaced at least by 200 millisecond pauses. Subp. 7. L10 L10 means the sound level, expressed in dB (A), which is exceeded 10 percent of the time for a one hour survey, as measured by test procedures approved by the commissioner. Subp. 8. L50 L50 means the sound level, expressed in dB(A), which is exceeded 50 percent of the time for a one hour survey, as measured by test procedures approved by the commissioner. Subp. 9. Municipality Municipality means a county; a city; a town; a regional planning and development commission established under Minnesota Statutes, chapter 473; the metropolitan council; or other governmental subdivision of the state responsible by law for controlling or restricting land use within its jurisdiction. A Guide to Noise Control in Minnesota • October 2008 Minnesota Pollution Control Agency 15