TY - BOOK AU - Gray,N.F. TI - Drinking water quality SN - 9780521702539 (pbk.) PY - 2008/// CY - Cambridge PB - Cambridge University Press KW - Drinking water KW - Great Britain KW - Water quality KW - Water KW - Pollution N1 - On cover: "Problems and solutions."; Includes index; Includes bibliographical references ER -