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<::> .~., produced by interagency teams in the early to mid-19901s. The ELM agrees that we need to ::.,:) review the methodologies for predicting and calculating salt reter.tion. As mentioned above, we are also seeking new methods and protocols for effectively identifying sites for nonpoint.source control projects. A report on these issues is anticipated by the end of calendar year 2002. J Tne Role of Science in Salinity Control The ELM will explore creative new technologies for controlling nODpolnt SOurces of salt. The EP A remarked in 1971 that lithe greatest lack of available technology is in the area of natural diffuse sources," Thirty years later, that statement is still true. The BLM will collaborate with its science partners in the research community to achieve a better understanding of salt TIlobilization in trid, geologically-\tnSfl\ble environments and will seek cew nonpoint-source control solutions in collaboration with others. As an example, the BLM, the Geologica.l Survey, and the Bureau of Reclamation are sponsoring a workshop on the: "Science: and Management of Mancos Landscapes" in Grand lunctio~ Colorado, June 10-13,2002. The ohjective of the workshop is to assess the stalUS ofscienlific knowledge about Mancos Shale landscapes, to address land management issues and concerns, and to define neW research needed to increase our understanding of the so landsca.pes. The anticipated outcomes of the workshop are. . Increased undmtanding of Mancos Shale geochemistry, soils, and hydrology . Increased understanding of selenium-salinity relationships in Mancos Shale . New approaches for managing Mancos Shale landscapes Ever since the Colorado River Basin Salinity Control Program began, agency scientists and the academic commurJty have been posing questions, exploring assumptions. and testing hypotheses about salt behavior in arid and semiarid environments. We believe it is appropriate to continue doing so. We encourage the Forum, 2nd espcciaUy the Technical 'Vorkicg Group, to incorporate scientific discussions into its meetings. Furthermore, we recommend that the Technical Working Group hold a meeting dedicated to discussing science needs rela.tive to salinity control. The BLM would be pleased to prescot the results of a literature review on salt moyement in alluvium at a future meeting of the Technical Working Group. The aL~ Reoort to Congress The BLM provided an early draft of this report to the Salini\}' Forum Executive Director on April 4, 2002. The draft wa.s circul8ted to Forum end Working Group memhers prior to the April 17 workIng group meeting in Sail Lake City, A worl<ing session on rangeland salinity issues is scheduled in Denver on May 13, 2002. The draft report will he discussed at that meeting.