Effects of low-level radioactive-waste disposal on water chemistry in the unsaturated zone at a site near Sheffield, Illinois, 1982-84 / 
By C.A. Peters ... et al. 
 - Denver, Co. :  U.S. Geological Survey,  1992 
 - vi, 74 p. :  ill. ;  28 cm. 
 - U.S. Geological Survey water-supply paper  2390 .
<br/><br/>Includes bibliographical reference (p. 38-40). 
<br/><br/><label>LCCN: </label>92-005127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactive waste disposal in the ground--Environmental aspects--Illinois--Sheffield Region<br/>Tritium--Analysis<br/>Hazardous waste sites--Illinois--Sheffield Region--Zone of aeration