Environmental, Reference 

Water environment Federation 

This revised 5th edition integrates the experiences, current practices, and innovations from thousands of plants. Updated to reflect the latest trends, regulations and technologies, these three, hard-cover manuals aim to be the principal reference source for beginners or veterans in the wastewater field. Volume I, Management and Support Systems includes topics on plant management, support systems, plant operations, safety and health and chemical application systems. Volume II, Liquid Processes, contains topics on characterization and sampling of municipal wastewater, biological processes for removing nitrogen and phosphorous, processes providing preliminary treatment, primary treatment, activated sludge and practices for ponds and land treatment systems. Volume III, Solids Processes, includes such areas as sludge thickening, aerobic and anaerobic digestion, sludge and lime stabilization, disposal of biosolids, characterization and sampling of sludges and residues and explanations of how solids unit processes interact with one another. Incorporates sample report forms, 90 new tables and figures, new symbols and acronyms appendix, expanded glossary of terms and all updated to reflect the 503 sewage sludge regulations. - from Amzon