The sea's enormous capacity to absorb waste products is widely used throughout the world, but if this unique resource is to remain a healthy and effective method of disposal it needs to be better understood. This book covers the various methods of marine treatment of sewage and sludge. Contents: European Community activities; legislation and future developments in the USA; legal and scientific constraints; coastal pollution; sea outfalls for industrial and urban effluent; marine disposal of sewage and sludge; marine treatment, disposal and performance of sewage outfall; sewage sludge disposal at sea - options and management; a sewage treatment strategy for the Colwyn and Aberconwy areas; sewage disposal investigation and the comparison of joint and local solutions; monitoring for enviro.