Effluent monitoring procedures :
basic laboratory skills : staff guide for conducting the course.
APA Citation
National Training and Operational Technology Center (U.S.)., Wagner, D. M., Highby, J. H., Engel, W. T. (1978). Effluent monitoring procedures: basic laboratory skills : staff guide for conducting the course. [Washington]: Environmental Protection Agency, Office of Water Program Operations, Municipal Operations and Training Division, National Training and Operational Technology Center.
MLA Citation
National Training and Operational Technology Center (U.S.), David M. Wagner, John H Highby, and William T Engel. Effluent Monitoring Procedures: Basic Laboratory Skills : Staff Guide for Conducting the Course. [Washington]: Environmental Protection Agency, Office of Water Program Operations, Municipal Operations and Training Division, National Training and Operational Technology Center, 1978.