Case Study: Pfizer Inc / Johnson Controls ComboPack Use at 8 Acre Lake (Lincoln, Nebraska U.S.A. Facility) Background. The Pfizer, Inc facility in Lincoln, NE includes an 8-acre lake. This lake has had a history of increasing eutrophication, as pond odors (sulphide) and excess algae blooms have become increasingly problematic in recent years. Johnson Controls is under contract with Pfizer to provide process control and maintenance services at this site, and is responsible for upkeep on this 8 acre lake. In the last several years, the site manager, Mr. Steve Amos, has utilized a variety of algae control methods, such as copper addition and herbicides. Despite these efforts, the lake condition has continued to deteriorate. By late April 2012, particularly with an unusually

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