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Show 8 Characteristic Leaching Procedure (TCLP) data, Final EIS should summarize both sets of data. is provided. The states "For the geochemical and given herein, neither the No Federal Action nor the North Expansion alternatives are expected to degrade ground water quality in the Shallow Aquifer or underlying '" The data presented in Principal Aquifer and Bedrock Aquifer. the Draft EIS does not fully supports such a conclusion regarding However, we recognize that natural ground ground water impacts. water quality in the Shallow Aquifer is poor, and the data suggests that the Principal Aquifer should not be affected by this project. Therefore, the Draft EIS supports a conclusion Page 3-112: 17. hydrogeologic The DEIS reasons the alternatives are not expected to cause degradation of the existing water quality. that significant The DEIS states that the Woodward of the Upper Bonneville clay thickness Clyde the thickness of drainage features. layer, particularly assessing The referenced Woodward-Clyde report indicates that at certain stretches of the C-7 ditch, the thickness of the clay is less The DEIS than 3 feet, and will require additional clay. concludes from the Woodward-Clyde studies that the clay layer This appears "appears to be continuous across the study area". inconsistent with the findings of the report cited above. 18. Page 3-115, studies Paragraph 1: tested the is recognized that the clay layer has been compromised footings of several buildings at the former Chevron Kennecott plans to remove footngs and repair the clay facility. Does a similar problem involving the layer in that area. It due to foundations exist at the Morton Salt plant location? The· information given in Figure Figure 3-21: projected by modeling, does not agree with the actual dike breach of 1966. During that break, the salt ponds were inundated and tailings flowed to the Great Salt Lake via the C-7 19. 3-21, Page 3-120, as ditch and other canals at 20. allegedly salt ponds. Bullet 1: What would be included under 1-80"? Does this include to drain ponds in the highway right of way which Page 3-129, in· "drainage structures the are Paragraph 3, structures causing seepage at Saltair? A commitment to clean up hazardous Paragraph 2: with potential to migrate in unacceptable concentrations should be incorporated into the Section 404 21. Page 3-156, substances permit. 22. The EIS should add the following Paragraph 2: CERCLA requirements. "Cleanup actions, which might be will depend on the result of the investigations. The Page 3-157, regarding required, actions could be required in a separate CERCLA action, |
