TY - BOOK ED - United States ED - Center for Environmental Research Information U.S. TI - Ground water handbook SN - 0865872791 PY - 1992/// CY - Rockville, Md. PB - Government Institutes KW - Water, Under ground KW - Pollution KW - United States KW - Handbooks, manuals, etc KW - Local KW - Quality N1 - "March 1992"--T.p. verso; Revision of material previously published by EPA's Office of Research and Development in Sept. 1990 (vol. 1) and July 1991 (vol. 2); Includes bibliographical references; v. 1. Ground water and contamination -- v. 2. Methodology ER -