Contract Summary

This is a Task Assignment Change Order Form for DEP Contract No. SP673, a Freshwater Mercury TMDL (Total Maximum Daily Load) contract between the Florida Department of Environmental Protection (DEP) and The Regents of the University of Michigan (FEID No. 38-6006309). The change order, effective July 21, 2011, modifies Task 5 for Atmospheric and Aquatic Modeling for the 2011-2012 project year. The contract managers are Jerry Keeler/Peter Gerard for the contractor and Borja Crane-Amores/Gregory White for DEP.

The scope of work encompasses atmospheric and aquatic modeling efforts to determine patterns of mercury deposition in Florida and assess necessary reductions to meet state water quality criteria. Task 5.1 covers atmospheric modeling including CMAQ model evaluation, receptor modeling, and comparative analyses of modeled versus measured mercury concentrations and deposition, with deliverables totaling $192,546.00. Task 5.2 covers aquatic modeling including regional and statewide mercury distribution analysis, load reduction assessments, error analysis, and integration of findings into the TMDL report, with deliverables totaling $126,448.00. The net increase in task amount is $318,994, bringing the total task amount with all change orders to $1,301,501. Funding is allocated across fiscal years 08, 09, and 11 from Object Code 132600 and Fund 760001 (TMDL). All deliverables include draft and final reports with specific timelines between September 2011 and December 2011, with technical findings to support predictive modeling and environmental planning decisions.