index 



NOTE.- 



-page number-s in italics indicate information is to be found in tables. 



ABS see Alkylbenzene sulfonates 

 Absorption see Foliar absorption 

 Acidic soils 



humid areas, p. 174 



humid climates, p. 172 



supplemental irrigation, p. 174 

 Acidity 



alkalinity — pH recommendation, p. 40 



irrigation water, p. 155 

 Acrolein 



irrigation water, p. 158 

 Activated carbon 



water purification, p. 129 

 Adsorption 



oil, p. 72 



soil chemical properties, p. 173 



see also Sodium adsorption ratio 

 Aeration 



supplemental irrigation, p. 175 



water purification, p. 128, 129 



water treatment, p. 128, 129 

 Aesthetics 



national goal, p. 5 



surface waters, p. 3 



water quality, p. 3 



water quality recommendations, p. 5, 6 

 Aldrin 



toxicity, p. 37, 83 

 Algae 



beneficial role, p. 51 



bioassay, p. 57 



chemical composition, p. 55 



fresh water, p. 51 



mortality effects, p. 52 



nutrients, p. 51 



photosynthetic affect, p. 53 



recommendation on nuisance growth, p. 56 



species description, p. 51 



stock water, p. 137 



toxins, p. 53 



see also Phaeophyta 

 Algal control 



heavy metals, p. 61 

 Algal poisoning 



stock water, p. 137 

 Algal toxins, p. 52 

 Algicides 



fresh water recommendation, p. 63 



median tolerance limit, p. 64 

 Alkaline soils 



humid areas, p. 174 



supplemental irrigation, p. 174 

 Alkalinity 



acidity — pH recommendation, p. 40 



irrigation water, p. 155 



public water supplies, p. 22 



waterfowl, p. 94 



Alkalinity (Cont'd) 



wildlife, p. 38 

 Alkylbenzene sulfonates 



effect on aquatic life, p. 65 



fresh water, p. 35 



median tolerance limit, p. 65 



toxicity, p. 65 



see also Methylene blue active substances 

 Aluminum 



phytotoxicity, p. 152 

 Amitrole-T 



irrigation water, p. 755 

 Ammonia 



chlorine reaction, p. 22 



fresh water bioassay, p. 65 



pollutants, p. 22 



public water supplies, p. 22 



toxicity — fresh water, p. 65 



toxicity — sea water, p. 88 



water pollution, p. 22 

 Anabaena, p. 137 



chemical composition, p. 55 

 Anacyslis, p. 137 

 Anadromous fish 



spawning migration, p. 3 1 

 Anaerobic conditions 



sea water, p. 77 

 Animal diseases 



livestock, p. 132, 133 



waterborne, p. 132 



wildlife, p. 98 

 Animal parasites 



flukes, p. 141, 142 



livestock, p. 141 



water pollution sources, p. 141 

 Animal wastes (wildlife) 



fecal coliforms, p. 12 



fecal streptococci, p. 12 



primary contact recreation waters, p. 12 

 Aphanizomenon, p. 137 



chemical composition, p. 55 

 Application methods 



irrigation water, p. 169, 170 

 Aquatic algae 



nutrients, p. 51 

 Aquatic environment 



monitoring problems, p. 82 



pesticides, p. 82 



radioisotopes, p. 49 

 Aquatic habitats 



nuisance growth, p. 51 



water temperature, p. 42 



see also Waterfowl 

 Aquatic life 



acidity, alkalinity and pH recommendation, p. 40 



biochemical oxygen demand, p. 57 



carbon dioxide, p. 44 



217 



