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Whirlwind Mine <br />30100 5110 Road <br />Gateway, Colorado 81522 <br />is 4.3 Buried Pipe <br />All buried piping that is installed or replaced on or after August 16, 2002 must have <br />protective wrapping and coating and cathodic protection, or otherwise satisfy the <br />corrosion protection provisions for piping in 40 CFR part 280 or a State program <br />approved under 40 CFR part 281, for applicable soil conditions. There is no buried fuel <br />piping located on the Whirlwind Mine site. <br />4.4 Secondary Containment <br />The metal containment basins should be periodically checked to ensure that no standing <br />water or oil is present. In the event oil is present, the oil will be cleaned up using <br />absorbent materials or other methods and disposed of properly. If water is present and <br />does not exhibit a sheen, the water can be drained from the basin to the surrounding soils. <br />If the water exhibits a sheen, it should be containerized for off-site treatment or disposal. <br />Alternatively, the water could be treated on-site with organic carbon or allowed to <br />evaporate, provided the secondary containment can still contain the entire contents of the <br />AST with enough freeboard for precipitation. Inspection of the secondary containment <br />will be documented on the AST Periodic Inspection Checklist, provided in Appendix B. <br />Actions taken to correct any identified problems should be documented. <br />4.4 Field Repairs <br />Any field repairs to tanks, associated components, containment systems, and piping will <br />be evaluated by qualified personnel for risk of discharge or failure due to brittle fracture <br />failure and/or other potential failure mechanisms. <br />4.5 Spill Containment Kit <br />Spill containment kits are available to service area personnel to contain spills and prevent <br />oil from reaching waters of the State. The contents of a spill containment kits include <br />sorbent socks, sorbent pads, a disposal bag, and a 20-gallon poly drum. One kit will be <br />located at the treatment plant and a second kit will be at or near fueling station. In <br />addition, oil dry and a roll of absorbent material are located in the mine shop to control <br />small spills in the shop. The spill containment kits and materials will be replenished after <br />use and will be inventoried periodically to verify that adequate supplies are available. <br />Please refer to the Spill Containment Kit Inspection form in Appendix B. <br />