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F. For purposes of this Memorandum of Understanding, the 

 following definitions amd terms will apply: 



1. "Kitigation" - in accordcince with 40 CTR 1508.20(a)- 

 (e) , ajid includes the following measxires: 



a. Avoiding the impact altogether by not taking a 

 certain action or parts of an action; 



b. Minimizing impacts by limiting the degree or 

 magnitud&^of the action and its implementation; 



c. Rectifying the impact by repairing, rehabilitating 

 or restoring the affected environment; 



d. ■ Reducing or eliminating the impact over time by 



preservation and maintenance operations during the 

 lifetime of the action; (Preservation of existing 

 wetlands resources may only in exceptional 

 circumstances 'be accepted as compensatory 

 mitigation. Preservation of existing wetlamds not 

 impacted by a highway project is not, generally of 

 itself, acceptable mitigation for the loss of 

 wetlands functions and values stemming from 

 highway construction.) 



e. Compensating for the impact by replacing or 

 providing svibstitute resources or environments. 



2. "Waters of the United States" - incorporated by 

 reference from 33 CFR 328 .3 (a) (1) - (7) "; 



3 . "Wetland" - definitions contained in the following 

 documents will be used as applicable, and are hereby 

 incorporated by reference: 



a. Resource category l.a. (Section 4 04) - 33 CFR 



328.3(b), and 40 CFR 230.3; 



b. Resource category l.b. (Federal Funding) - 



Executive Order 11990. 



4 . "Wetland delineation" - refers to the process of 

 identifying the boundary of a jurisdictional wetland 

 and will be accomplished by application of the 

 procedures currently in use by the Corps at the time of 

 the study . 



V. Wetland Inventory and Assessment 



As early as possible in the planning and design development 

 process for highway projects, or for highway transportation 

 corridors if feasible, the MDT Environmental & Hazardous Waste 



