Specifications include, but are not limited to: THE STATE OF ALASKA, OFFICE OF PROCUREMENT AND PROPERTY MANAGEMENT (OPPM), DEPARTMENT OF ENVIRONMENTAL CONSERVATION (DEC), DIVISION OF WATER IS SOLICITING PROPOSALS FROM QUALIFIED PROFESSIONALS TO PROVIDE TECHNICAL ASSISTANCE IN THE DEVELOPMENT AND IMPLEMENTATION OF A PERFORMANCE-BASED APPROACH (PBA) TO APPLYING THE BIOTIC LIGAND MODEL IN THE DEVELOPMENT OF SITESPECIFIC WATER QUALITY STANDARDS FOR COPPER. The contractor will have a minimum of 15 years of experience in the following: • Research and development of the biotic ligand model and metals toxicity database; • Application of freshwater aquatic toxicological data pertaining to metals exposure in support of site-specific evaluations and risk assessments, and; • Practical experience working with the U.S. Environmental Protection Agency (EPA) in the development and approval of water quality standards for metals using the EPA (2007) biotic ligand model.