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PLATTE SAND & GRAVEL, LLC <br />S&H MINE <br />PAGE 1 <br />Spill Prevention and Countermeasures plan <br />The S&H Mine refueling area contains storage of the follow- <br />ing petroleum products and related equipment fluids. This plan <br />outlines the secondary containment control features associate <br />with the fluids maintained on the mine site. It also outlined <br />what counter measures are implemented should there be a spill <br />within the secondary containment structures and how minor spills <br />outside the containment structures is handled. <br />Fluids present <br />Description Maximum Quantity <br />Offroad Diesel 10,000 gal <br />Motor Oil 100 gal <br />Anti Freeze 100 gal <br />Waste oil 100 gal <br />empty 55 gal oil barrels 10 ± <br />Secondary Containment <br />The fuel is contained in a 10,000 gal double wall tank, sur- <br />rounded by a concrete bunker with a capacity of 24,300 gallons of <br />fluids or 140% of the largest container within the containment <br />walls plus the foot print of the tank stored in the containment <br />area. The walls and floor of the bunker were poured as one solid <br />piece of concrete so it can not leak. Any spill within the <br />bunker is pumped out and disposed of as needed. Stormwater <br />accumulates in the bunker and either evaporates or is cleaned as <br />needed. The water is disposed of at an approved treatment <br />facility if it is found to be contaminated with fuel oil. The <br />spilled fuel oil is collected by a oil recycling service when <br />they pick up the used motor oil. <br />The remaining petroleum products are kept in a covered shed <br />that has a floor grate over a spill containment chamber. The <br />containment chamber has a volume of 448.8 gallons. This chamber <br />is sealed and has a drain spigot so any spilled fluid can be <br />removed and disposed of. The shed was placed with the front or <br />open end elevated to keep spilled fluids from leaving the build- <br />ing. The chamber is checked weekly and cleaned as needed. The <br />maximum volume a single container of fluids stored within this <br />shed is the 100 gallon waste oil container. All spilled or waste <br />oil is collected by a recycled oil service and removed to their <br />processing facility. <br />Countermeasures <br />The fuel and bulk oil storage facility is located within <br />the mined area approximately 2700 feet from the closest road and <br />the mine is locked when there are no personnel at the mine. <br />There are adequate quantities of absorbent sand on the mine to <br />contain any spills that occur outside the containment structures. <br />If minor spill occur during equipment maintenance or refueling <br />sand is placed on the spill immediately absorb it and contain it <br />to the immediate area. The contaminated material from these <br />minor spills are collected in a barrel and will be disposed at an <br />approved facility.