Selected methods for the measurement of air pollutants. 

 - North Carolina :  U.S. Dept. of Health, Education, and Welfare, Public Health Service,  1965 
 - Various paging :  ill. ;  23 cm. 
 - Environmental health series: Air pollution .
<br/><br/> Public Health Service publication no. 999-AP-11 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--Measurement.
<br/><br/><label>Dewey Class. No.: </label>628.53