NIOSH manual of sampling data sheets :  supplement to the 1977 edition / 
United States, National Institute for Occupational Safety and Health, Division of Physical Sciences and Engineering. 
 - Ohio :  U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control,  1978. 
 - 1v.(various pagings) ;  28 cm. 
 - DHEW publication;  no. (NIOSH) 78-189. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental monitoring.<br/>Pollution--Measurement.
<br/><br/><label>Dewey Class. No.: </label>363.7363