User's guide to the Contract Laboratory Program. 

 - Washington  U.S. Environmental Protection Agency  1991. 
 - vii, 69 p.  ill.  28 cm. 
<br/><br/><label>LCCN: </label>doc92000521  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hazardous wastes--Sampling--Handbooks, manuals, etc..--United States<br/>Hazardous waste sites--Handbooks, manuals, etc.--United States