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Potential Environmental Contamination The Twin Lakes Business Park has a history of environmental site assessment (ESA) work associated with its transfonnation from a trucking industrial center to light industrial/warehousing and commercial properties with little potential for site contamination. Since 1991, there have been 8 Environmental Site Assessments (phase I and Phase ll) conducted for 5 properties that have been redeveloped or have been cleared of previous uses. There have also been remediation work plans developed for four redeveloped sites (Twin Lakes Corporate Center, Arthur Street Extension, Ryan Twin Lakes IV property, and the fonner Great Dane Site). Most of the fmdings, in general, related to fuel spills and leaking underground storage tanks, hazardous waste or chemical generation on the property, potential PCB containing materials, abandoned wells, inactive septic systems, and building materials containing asbestos. Remediation activities for these properties have been completed. An annotated bibliography of the related hazardous waste and contaminated property site assessment and remediation plans is presented in Attachment D. There are known locations of leaking fuel storage tanks within the study area and in the 30 properties to be redeveloped. The majority of these properties are located in the western one-third of the study area. ESA activities and remediation work programs similar to what has been conducted to date, as noted above, will continue as redevelopment proposals are received for the remainder of the properties in the Twin Lakes Development Area. 10. Cover Types. Estimate the acreage of the site with each ofthe following cover types before and after development (before and after totals should be equal): Cover TVDe Urban/Suburban LawnlLandscaped Impervious Surfaces Wetland (Drainage Ditch) Disturbed Open Space Before (ac) 6 109 I 10 After (ac) 23 98 1 4 Total 126 126 11. Fish, Wildlife, and Ecologically Sensitive Resources a. Describe fish and wildlife resources on or near the site and discuss how they would be affected by the project. Describe any measures to be taken to minimize or avoid adverse impacts. Response: The diversity and population of wildlife species in an area is directly related to the type and quality of habitat that exists in that area. The study area is in a part of Roseville that has been fully developed for 30:1: years. A large percentage of the study area is comprised of buildings, parking areas, and other impervious surfaces and provides little or no wildlife habitat opportunity. The only areas of wildlife habitat found in the study area are classified as either urban/suburban, lawn/landscaped areas or disturbed open space. A small amount of woodlot is found as fringe to the adjacent tracts of woodland habitat. This area of woodlot was included in the disturbed open space classification. #24397 7