TY - BOOK AU - Gray,N.F. TI - Drinking water quality SN - 9780521878258 (hardback) U1 - 628.72 PY - 2008/// CY - Cambridge, New York PB - Cambridge University Press KW - Drinking water KW - Great Britain KW - Water quality KW - Water KW - Pollution N1 - On cover: "Problems and solutions." ER -