Ground-water contamination : field methods : a symposium / edited by A.G. Collins, A.I. Johnson. - Philadelphia, PA : ASTM, c1988. - ix, 491 p. : ill. ; "ASTM publication code number (PCN) 04-963000-38." Includes bibliographies and indexes. ISBN: 0803109687 (hbk.) Subjects--Topical Terms: GroundwaterGroundwater--United States Dewey Class. No.: 628.168 / COL