Bellar, Thomas A. <br/><br/>
The determination of volatile organic compounds at the ug :  i level in water by gas chromatography / 
Thomas A. Bellar and James J. Lichtenberg 
 - Washington, D.C. :  United states government pinting office,  1974 
 - iv, 28 p. :  ill., maps ;  28 cm. 
 - Environmental monitoring series .
<br/><br/> EPA-670/4-74-009  Program element no. 1BA027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas Chromatography<br/>Supercritical fluid chromatography
<br/><br/><label>Dewey Class. No.: </label>543.0896