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<br />EXHIBIT A-1 <br />CTfY OF NORTH OLMSTED, OHIO <br />Proposed 1995 Operation and Maintenance (O&1V) Services <br />TASK TWO - 1991 ?ratinn and A?aintPrLancP (nM Marmal iT atP (continued) <br />Chapter 10 - Odor Control Systems <br />A. Odor Group B and C- Solids Stream <br />B. Odor Group A- Wet Stream <br />C. Chlorine Gas Feed System for Odor Groups <br />D. Sodium BisuyWe Gas Feed System for Odor Groups <br />Chapter 11 - Support Systems (No changes will be made to elristing text) <br />A. Process Water and Seal Water <br />B. Process Air <br />C. Plant Drainage <br />D. Plant and Instrument Air <br />Chapter 12 - Process Control and Instrumentation <br />A. Wet Stream Unit Processes <br />1. Plant Influent Flow Splitting <br />2. Sodium Alu»unate Feed System <br />3. Aeration <br />a. Aeralion Tank Dissolved Ozygen (DO) <br />b. Aeration Blowers <br />c. Return Activated Sludge (RAS) <br />d. Waste Activated Sludge (WAS) <br />4. Aeration Effluent Spliner <br />5. Final Clarification <br />6 Microscreens <br />7 Disinfection <br />B. Solids Handling Unit Processes <br />C. Odor Control Systems <br />A. Odor Group B and C- Solids Stream <br />C. Chlorine G+as Feed <br />D. Sodium Bisu#hte Gas Feed System <br />B. Odor Group A- Wet Stream <br />C. Chlorine Gas Feed <br />D. Sodium BisuyWe Gas Feed System <br />[`laptPr 13 i ahnratorv n hungPC wi11 he madp tn e?cicting? <br />A. General <br />B. Outline of Sampling and Testing Program <br />C. Laboratory References <br />D. Laboratory Results <br />E. Sample Laboratory Worksheets <br />F. Laboratory Chemicals <br />G. Laboratory Safety <br />950M.PR0/djl Page 3 of 5 <br />