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t SummiFL' <br /> t <br /> Envirosolutions <br /> June 8, 1993 <br /> JUN 9 1995, <br /> Orono City Council <br /> P.O. Box 66 <br /> Crystal Bay, Minnesota 55323 <br /> Subject: Request for Variance Regarding Above Ground Product Storage Tank <br /> Orono Self Serve <br /> 2160 Wayzata Boulevard <br /> Orono, Minnesota <br /> Summit Project No. 910420 <br /> Dear Sir/Madam: <br /> The purpose of this letter is to request a variance to the City of Orono's current position in <br /> regards to above ground liquid product storage tanks. The proposed tank would be utilized as <br /> the first step in a groundwater remediation system to be installed at the Orono Self Serve located <br /> at 2160 Wayzata Boulevard in Orono, Minnesota. Petroleum impacted groundwater would be <br /> pumped into the proposed tank, which would collect and separate recovered contaminated <br /> groundwater for approximately 2 to 3 hours before the groundwater would go on to the next step <br /> of remedial treatment. It is possible the tank would collect free-phase liquid product. Therefore, <br /> the proposed tank would be equipped with sensors to detect product and shut the treatment <br /> system down if products levels reached hazardous levels in the tank. Product levels in the tanks <br /> will also be physically monitored during a monthly check of system. The treatment system will <br /> also be enclosed in a block building which satisfies a Class I, Division I rating. <br /> If you have any questions or additional information is needed, please contact me at our <br /> Minneapolis office at(612) 595-8888. <br /> Sincerely, <br /> Summit Envirosolutions,Inc. <br /> Brad G. Stevens <br /> Project Manager/Engineer <br /> cc: Mr. William Wear- Orono Self Serve <br /> 10201 Wayzata Boulevard, Suite #100 • Minneapolis, MN 55305 • (612) 595-8888 • FAX(612) 595-0888 <br /> Offices: Minneapolis, Minnesota • Milwaukee, Wisconsin <br />