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| Sanitation | 2 |
| Water Pollution | 2 |
| Water Resources | 2 |
| Calculators | 1 |
| Chemical Reactions | 1 |
| Chemistry | 1 |
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| Water and Wastes Engineering | 2 |
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| Hart, Edward C. | 1 |
| Yapijakis, Costas | 1 |
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Yapijakis, Costas – Water and Wastes Engineering, 1978
Drinking water disinfectants are discussed. Disinfectants are chlorine, chlorine dioxide, ozone, potassium permanganate, iodine, bromine, hydrogen peroxide; silver, acids and bases, ultraviolet radiation. (MR)
Descriptors: Chemical Reactions, Chemistry, Public Health, Quality Control
Hart, Edward C. – Water and Wastes Engineering, 1978
Programs for calculating gravity flow using a Texas Instruments SR-52 and the Programmed Manning Equation are given and discussed. (MR)
Descriptors: Calculators, Computation, Instructional Materials, Mathematical Applications
