Section 35-11-1606 - Preliminary remediation agreement; contents(a) The preliminary remediation agreement shall contain the terms and conditions agreed to by the parties, which shall include the information and procedures required for completion of an environmental assessment or site characterization that is adequate and appropriate to support selection of a permanent or long term protective remedy for the site and adjacent property to meet the standards in W.S. 35-11-1605, and a work plan, schedule and statement of any criteria the department intends to use to evaluate work plans and reports.(b) For any site that is determined by the director to have the potential for significant contamination, be located in an area where human exposures to contaminants are likely, or require evaluation of remedial alternatives as a condition for the state to maintain primacy in any federal program, the director shall require the site characterization plan within the preliminary remediation agreement under this section to include a description of alternative remedial actions to be evaluated and a plan for the collection of any data and site information needed to evaluate those alternative remedial actions. Not all potential remedies must be evaluated for a site. The director and the owner may enter into a single agreement containing both characterization and alternative remedial action evaluation plans, or may enter into an alternative remedial action evaluation agreement following completion of site characterization.