| OCR Text |
Show 9 in the Section 404 sa incorporated "L sate authorities, depending on permit, the or nature be of accomplished using the problem." Since the Shepherd Miller, Inc. Page 3-160, Paragraph,l: indicated some (SMI) report potential for migration of hazardous this substances, finding should be summarized in the FEIS. 23. For.mer landfill bullet: During excavation of trenches" Tordon fertilizer for burial, is there any "large evidence that Bonneville Clay layer was breached or compromised? Was a similar problem encountered during, the planned excavation program (Spring 1995) referred to in this discussion? 24. Page 3-161. the Page 3-163, Paragraphs 3 and 5: storage tanks (USTs) been determined 25. compromise the Have to be the underground empty? Did USTs clay layer? The U.S. Department of Page 3-163, Paragraph 6: which lists rail accidents and data (USDOT) base, Transportation incidents, shows the occurrence, but not specific locations, of 15 spills of sulfuric acid listed for Salt Lake, Magna, and Garfield. The DEIS indicates that The Federal Emergency Response Notification System (ERNS) revealed that the railroad right-of 26. way de ,s was on the not list investigation may be evidence of the area of reported spills. The necessary. spurs If 'past spillage. identified, mitigation may be necessary. concentrate are 'Further show persistent incidents of spills in For the purpose of the EIS, was a Page 3-186, Paragraph 1: balance calculation performed of inputs to the Great Salt EPA's preliminary calculations Lake from industries and rivers? for the CERCLA process indicate that the C-7 ditch is the largest but the rivers contribute source of arsenic to the Lake, 27. mass significantly larger 28. Page 3-186, conclusion on the sources Paragraph 3: of copper and lead. We do not cumulative effects to concur water with the EIS's resources: " Therefore, current level of inputs of pollutants to the Lake from all dischargers is not causing significant degradation and should continue to be s.table as long as conditions of the respective UPDES permits are upheld." At this stage of analysis, there is insufficient data to support such a definitive ... conclusion. The DEIS states "Tailings or Paragraph 3: mine wastes are not considered hazardous as the copper concentrations of metals are well below levels of concern. PhosphogyPsum from phosphoric acid production is not considered, hazardous material and area currently exempted from RCRA by the Bevill Amendment. Therefore, no cumulative impact: of hazardous materials exists due to the storage of copper tailings or related Ii to the phosphogypsum stack. 29. B q Page 3-187, |