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<br />IJfI <br /> <br />Mil <br /> <br />Northern States Power Company <br /> <br />3000 Maxwell Ave. <br />Newport, MN 55055-1085 <br />Telephone (612) 458-1226 <br /> <br />AlPril 9, 1997 <br /> <br />Mr. Dennis Welsch <br />Community Development Director <br />City of Roseville <br />21560 Civic Center Drive <br />Roseville, MN 55113 <br /> <br />Re: MnPLA noise standards as it applies to NSP wood grinder at Ramsey Cty site. <br /> <br />Dear Mr. Welsch <br /> <br />Nlorthern States Power Co. will not exceed MnPLA noise standards, as defined in <br />Minnesota State Rules, Chapter 7030: Noise Pollution Control (copy attached), <br />when operating the tree grinder at the Kent St. Ramsey County site in Roseville. <br />Sound levels will be measured as required by Chapter 7030 to determine <br />compliance with allowable levels. <br /> <br /> <br />E!ncl: 1 <br />