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• <br />• <br />down. Shutdown may include all operations at the Piceance Site, depending on the <br />nature of the failure. If the instrumentation is not in good working order, the <br />operator would notify the Ptant Maintenance Manager and instrumentation repair <br />would be coordinated. <br />3. The failed piping segment would be isolated from the remainder of the well field <br />piping system by closure of valves and shut down of pumps. A visual inspection <br />would be performed on the piping segment to determine the location of the leak. <br />4. Containment and cleanup of spilled materials would occur as described below. <br />5. The failed piping segment would be repaired and tested as appropriate. The piping <br />segment would then be placed back into service. <br />If a small release of sodium solutions occurs on a permeable surface (such as soil) the <br />material would be immediately shoveled onto plastic sheeting (and subsequently <br />covered with plastic sheeting to prevent contact with surface runoff) or into 55-gallon <br />drums. Shoveling will cease after either a visual check, a pH measurement, or another <br />analytical method confirmed that the spilled material had been recovered. The spilled <br />material would then be either recycled or disposed, depending on the characteristics of <br />the material. <br />If a small release occurs on an impermeable surface (such as concrete or asphalt), the <br />material would be absorbed by absorbent pads, booms, or other related material. <br />Absorbing efforts would be cease when a visual inspection confirmed that the spill had <br />been recovered. The absorbents would then be containerized and disposed properly. <br />if a large release of sodium solution occurs, the material would be recovered by use of a <br />vacuum truck. Vacuum efforts would cease after a visual inspection confirmed <br />recovery of spilled material. All materials recovered would be sampled and analyzed <br />to determine whether the material would be recycled or disposed. <br />American Soda will have a vacuum truck situated at both the Piceance and Parachute <br />Sites. Each truck will have a capacity of 3,200 gallons (or 10 tons of soda ash). The <br />vacuum trucks will only be used to recover sodium bicarbonate and/or sodium <br />carbonate materials or they will be appropriately decontaminated between uses for <br />different materials. They will not be used to recover diesel fuel or unleaded gasoline <br />spills. <br />Recycling is the preferred alternative for spilled material and would occur through use <br />of existing on-site processes. Disposal would occur only if the sodium bicarbonate or <br />sodium carbonate could not be feasibly recovered and the disposal method would be <br />determined after appropriate sampling and characterization. A potential disposal <br />location would be an off-site landfill; however, other disposal methods will be <br />Preliminary Response Plan <br />Yankee Gukh Sodium Minerals Project <br />American Soda, L. L.P, <br />5 <br />