Microfloc process, water treatment_ Microstrainers, water treatment ___ Mixing devices. (See Coagulation and Flocculation.) New techniques and equipment. 75-76 Water quality studies (see also Comprehensive water quality manage- ment, and Integrated stream survey system)_ 75-92 Sunlight intensity, measurement of 77,84 U.S. Public Health Service drinking water standards_-_. 16, 28 44-47 47 7, 29 12, 29 7, 23 W 39-40 2-3 39 28 89 39-55 59-72 53 1, 62 Biological. (See Biological treatment.) Cost of Efficiency of_ Grit removal. Package plants. Primary treatment_ 3-4, 39-40, 59-60 40 40-41, 42 42-43, 44-49 Quality (see also Comprehensive water quality management). Water quality management (see also Comprehensive water quality manage- 2, 11, 27 2, 16-17 16, 28 2, 4, 16, 27 5-9 1, 9, 62 10-14 Disinfection.. Efficiency of Flocculation devices__ 22, 30 23 |