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4 <br />-8- <br />The proposal was accepted for consideration by the Council. <br />n. State and Indian Regulations: <br />The Technical Committee has been approached through a number of channels to <br />consider State and Indian coordination of regulations and other appropriate <br />subjects. Discussion within the Technical Committee brought out quite a bit <br />of apparent State-Indian conflict, but this has been occurring in the past and <br />will continue in the future. The Committee agreed that these issues would <br />probably best be handled by the individual states on a case-by-case basis. <br />Technical felt that a great deal of information and cooperation may be <br />forthcoming if invitations could be provided to the Bureau of Indian Affairs <br />or tribal representatives to come to Technical Committee meetings and talk as <br />issues arise. <br />o. Selenium Status in the Colorado River: <br />The situation with respect to selenium potential for toxicity in the basin is <br />as yet unknown. There currently are a number of studies underway. Many <br />states have an active monitoring program in place as does the Fish and <br />Wildlife Service. This topic was referred to the Wildlife-Habitat Committee <br />to investigate and report at the 1988 Technical Committee meeting. <br />P. Hydrilla• <br />The spread and growth of hydrilla continues to be an increasing problem in the • <br />Lower Basin. There are new infestations of Hydrilla in Mexico in the <br />Mexicalli Valley. Mexico has proposed using fertile grass carp for control of <br />these infestations. However, Coachella Valley Irrigation District has <br />convinced Mexico to use triploid grass carp and Coachella Valley will provide <br />those fish. Two new occurrences were identified in Arizona in 1986. Both of <br />these appear to have been eliminated but there remain three active <br />infestations. The Technical Committee is unaware of any northward movement of <br />hydrilla. <br />Grass carp were found to provide 95% control over emergent hydrilla in the <br />Coachella Valley, but tubers are still a problem as they continue to cause <br />localized infestations. <br />One infestation of water hyacinth was discovered in Arizona and has been <br />treated but is still active. <br />41 <br /> <br />a