TY - BOOK AU - Spellman,Frank R. TI - Mathematics for water and wastewater treatment plant operators T2 - Mathematics manual for water and wastewater treatment plant operators SN - 9781482224214 (pbk.) PY - 2014/// CY - Boca Raton, FL PB - CRC Press KW - Water KW - Purification KW - Mathematics KW - Water quality management KW - Sewage KW - Sewage disposal N1 - Includes bibliographical references and index; 1. Water treatment operations : math concepts and calculations -- 2. Wastewater treatment operations : math concepts and calculations ER -