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Page 6 • b. The Operator shall provide the Fire Department with a copy of their flammable or hazardous materials. c. Fuel tanks shall be above ground, properly diked (if required by law), and registered with MPCA. d. All incidences that have the potential to adversely affect groundwater, including but not limited to spills, shall be verbally reported to the City within 24 hours. This verbal notification shall be followed up in writing within four (4) working days. e. The appropriate storm water permits shall be obtained by the Operator from MPCA. f. The wells located at the site shall be monitored once a year for diesel range organics (DRO). If mining is to occur below the water table, the above wells shall be monitored for DRO prior to excavation activities commencing and after their cessation each year. Further, in the event of a spill, appropriate water tests • will be taken until the spill is deemed clean by the city. g. A two cell system to recycle water from the wash operation shall be utilized. h. Groundwater levels shall be monitored in the wells located at the site prior to the start of wash operations and an additional three (3) times during the first week of said operation to predict the long term effects of the pump operation. Thereafter, the aforementioned wells shall be tested a minimum of twice per month, said frequency to be increased during dry periods. This routine testing shall also be done for the water recycling pond. A drop in water levels of twelve (12) inches or more shall be immediately reported to the city. i. Water usage by mining activities shall not adversely affect adjacent residential wells. Mitigative measures may include, but are not limited to, curtailing of pumping activities until water levels return. s.\b&z\stever\gravcup.doc