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• 2.05.3(3)(6) <br />r~ <br />U <br />• <br />There are four culverts located south of and below the loadout facility which convey <br />surface runoff and in some cases irrigation water under the railroad tracks. The outlet <br />ends of the culverts have been designated as small area exemption sampling points (SAE- <br />I through SAE-4). See the Sedimentation Control and Small Area Exemption Map (Map <br />14) for the location of the culverts. Exhibit 9 provides a discussion of the SAE sampling <br />requirements. <br />The following table presents the size of each culvert and its condition. Culverts are <br />identified by their respective SAE number. <br />Culvert Diameter Condition <br />SAE-1 16" Good <br />SAE-2 18" Good <br />SAE-3 24" Good <br />SAE-4 30" Good <br />The four culverts are located under the main line railroad tracks. The mainline track has <br />been in place for many years. The date the main line track and culverts were constructed <br />is not known. However, it is virtually certain the mainline track and culverts are exempt <br />from design prior requirements as set forth in Rules 2.07.6 and 4.05.3(1)(c). <br />During the fall of 1994, the operator installed a 1,500 gallon polyethylene tank for the <br />storage of a dilute antifreeze solution. The dilute antifreeze will be comprised of a <br />mixture of 55 gallons of ethylene glycol with 250 gallons of water. The dilute antifreeze <br />will be applied to stoker coal for freeze protection as the coal is loaded into rail cars. To <br />control spills, an approximate 10' X l0" concrete addition was added to the stoker oil <br />building to house the dilute antifreeze tank. <br />2.05-2b <br />Rev. 6-IS-98 <br />Perniit Renewal 3 <br />/h2-17 <br />