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Dave Holm CONFIDENTIAL <br /> Page 2 <br /> S . To develop goals 1 and 2 and assure their success, company <br /> performs studies and develops additional information. Studies <br /> could include : feasibility, toxicity (combining all parameters <br /> considered and including study of impacts of high zinc levels on <br /> downstream segments) , substrate, brown trout (Davies) study. <br /> 6 . Compliance is measured by each project' s success in achieving <br /> targeted removal . No instream compliance component. <br /> 7 . Once the projects are successfully completed to achieve goal, <br /> company is released from liability. <br /> " S U,,Ow— <br /> Option 3 <br /> Cis <br /> 1 . Goal's of zinc and other etals removal and habitat improvement <br /> are agreed upon. — <br /> 2 . Company performs projects to a`ccplish 'goals . 44 , <br /> 3 . Zinc (and other metals?) are capped. ExceedencXo pstriggers further projects and, potent a11,y�penalties. <br /> 4 . Contingencv treatzent and plal must be in place . fij <br /> 5 . t Additional studies may be quired b'ut risk, under this <br /> o <br /> p ion, is the company' s . , <br /> 6 . Compliance is measured by successful completion of projects <br /> u <br /> and compliance with the caps instream. <br /> 7 . Company released wTieri com ' ance wi instream cap.,coat-i-nu,es <br /> for an agreed upon ,.period of time: <br /> Option 4 <br /> Same as option 3 except that the goal is current ambient zinc <br /> levels and other metals reduction and habitat improvement would no <br /> longer be a goal . <br /> E <br /> s <br /> Option 5 <br /> I No increase in metals loading. Maintain level of treatment . <br /> r <br /> t <br /> AG File: P:\NR\NRWHITAS\NRAW5005j `u� <br /> Ll <br /> �;ftki aLtk I <br />