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<br />Page 6 <br /> <br />c. Fuel tanks shall be above ground, properly diked (if <br />required by law), and registered with MPCA. <br /> <br />d. All incidences that have the potential to adversely affect <br />groundwater, including but not limited to spills, shall be <br />verbally reported to the City within 24 hours. This verbal <br />notification shall be followed up in writing within four (4) <br />working days. <br /> <br />e. The appropriate storm water permits (NPDES) shall be <br />obtained by the Operator from MPCA and copied to the <br />City. <br /> <br />f. The wells located at the site shall be monitored once a <br />year for diesel range organics (DRO). Mining activities <br />shall not take place closer to ground water levels than <br />indicated in the plans submitted without amending this <br />conditional use permit; however, if mining is proposed to <br />occur below the water table in the future, the above <br />referenced wells shall be monitored for DRO prior to <br />excavation activities commencing and after their <br />cessation each year. Further, in the event of a spill, <br />appropriate water tests (as determined by the city) will be <br />taken until the spill is deemed clean by the city. <br /> <br />g. Except for minor repairs, maintenance of vehicles and <br />equipment shall take place in the Operator's shop. The <br />Operator shall have an approved hazardous waste liCense <br />for this facility and properly dispose of all waste. <br /> <br />h. A minimum of a two-celled system to recycle water from <br />the wash operation shall be utilized. <br /> <br />1. Water usage by mining activities shall not adversely <br />affect adjacent wells. Mitigative measures may include, <br />but are not limited to, curtailing of pumping activities <br />until water levels return. <br /> <br />(18) Signage <br /> <br />Signage for the operation shall be that which is permitted for an <br />industrial operation in a medium industrial zone, with the <br />exception that billboards are not allowed. <br /> <br />(19) Fencing <br /> <br />s: \b&e \stever \gravel pits \gravcup-amend bauerly.doc <br />