The Water Systems Council announces the release of the 4th edition of its "Large Submersible Water Pump Manual." First released in 1986, the manual is a prime reference book for agricultural, municipal and industrial specifying and consulting engineers, contractors, installers and end-users. In its revised and updated format, the book features straightforward information on selecting, installing and maintaining 6-inch and larger submersible pumps. The book is available with a companion CD-Rom. The manual and CD cost $20 each or you can purchase both for $30. The council's telephone number is 202-625-4387.