Principles of environmental sampling / 
Lawrence H. Keith, editor. 
 - 2nd ed. 
 - Washington, DC :  American Chemical Society,  c1996. 
 - xxix, 848 p. :  ill. ;  24 cm. 
 - ACS professional reference book. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0841231524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sampling.