Agenda Packets - 1985/10/21 - Laserfiche WebLink

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Yi:t, 65 )h0v)509 ) DSN/.1A AD6a6 1 have the meanings green them in this part. 2 Subp. 2. A-wighted. -A-velgnted' means a seen fic 1 weighting of the sound pressure level for the purpose of s determining the human response to sound. The specific weighting 5 Characteristics and tolerances are those given in American 6 Ma ti onal Standards Institute S1.1-1551, sect on 5.1. 7 Suop. 1. Daytrma. 'Dsytmom means those hours from 7:00 S A.M. to 10.00 P.M. 9 Subp. e. dNA). mill (A)" means a unit of sound Ieye I 10 aspressed in decibels )dal and A -weighted. 11 Subp. S. Declbsl. 'Decibel' has the war-Ing given it in 12 American National Standard Institute $1.1.1960 (M1976), section 11 2.1. 14 Subp. 6, impulsive wits. 'Imipulmive noise' means either 15 a single sound pressure peak (with either . rise time less than 16 200 milliseconds or total duration less than 700 ■iliisecondsi 17 or multiple sound pressure peaks (with either rise times less la than 200 milliseconds or total duration less than 200 19 milliseconds) spaced at least by 200 millisecond pauses. 20 Subp. 1. Ldo 'Ldn' (day, night sound level) means the 21 equivalent A-veighted sound level during a 21-hour time period 22 with a ten decibel weighting applied to the equivalent sourd 21 level during nighttime is Scarp. s. 1.mq L ' lequivalen: sound level) means the 25 constant round level that. In 60 eonneeutive +inutts, would 26 convey tee sue sound ener4y as the actual time -vs ying 27 A-ve-:ghted sound level. 28 sap. 1. Musicipelty. 'Municipality' means a county; a 29 city; a town; a regional planning and development coa�ission 10 es tabl_ishad under Minnesota Statutes, chapter 471; the 11 metropolitan council; or other governmental subdivision of the 12 state responsible by law for controlling or restricting land use 11 within its jurisdiction le Subp. 10. Mighttme. 'Nighttime' means those hours from 15 10:00 p.m. to 7:00 a.m. 16 Subp. 11. hnom. 'Person' means a person as defined in 2