Calcium carbonate 



cause of acidity, p. 41 



hardness (water), p. 41 

 California river systems 



dissolved solids, p. 168 

 Canneries 



chlorination, p. 210, 21 1 



food cleaning, p. 208 



surface waters, p. 210 



waste water (pollution), p. 209 



water consumption, p. 209, 210 



water properties, p. 210 



water purification p. 21 1 



water quality requirements, p. 210 



water utilization, p. 208, 209 

 Canning, p. 208, 209 

 Carassius carassius 



oil, p. 45 

 Carbamate pesticides 



toxicity, p. 37 

 Carbonated beverage industry 



food industry, p. 21 1 



potable water, p. 212 



water consumption, p. 211 



water properties, p. 212 



water quality requirements, p. 212 



water treatment, p. 212 



water utilization, p. 211 

 Carbon chloroform extract 



farmstead water supplies, p. 124 



public water supplies, p. 24, 25 

 Carbon dioxide 



aquatic life, p. 44 



excess of "free", p. 44 



fresh water, p. 33 



marine and estuarine organisms, p. 68 



recommendations, p. 45 



respiratory effects, p. 44 



temperature and oxygen relationship, p. 45 

 Carcinogenic substances 



oil polluted waters, p. 73 

 Carnivores 



pesticide residues, p. 8 1 

 Catadromous fish 



spawning migration, p. 31 

 Cattle 



saline water tolerance, p. 134 

 CCE see Carbon chloroform extract 

 Cement industry 



surface waters, p. 214 



water properties, p. 214 



water quality requirements, p. 214 



water utilization, p. 214 

 Chara 



chemical composition, p. 55 

 Chemical industry 



industrial water, p. 187 



surface waters, p. 201 



water consumption, p. 188, 201 



water properties, p. 207 



water purification, p. 200 



water quality requirements, p. 200 



water treatment, p. 200 



water utilization, p. 200 

 Chemical oxygen demand (COD) 



aquatic life, p. 57 



irrigation water, p. 166 



pulp wastes, p. 90 

 Chlordane 



toxicity, p. 37, 83 



Chlorides 



irrigation water, p. 117 



phytotoxicity, p. 155 

 Chlorinated hydrocarbon pesticides 



farmstead water supplies, p. 125 



fresh water recommendation, p. 63 



public water supplies, p. 25 



toxicity, p. 37 

 Chlorination 



canneries, p. 210, 211 



farmstead water supplies, p. 127 



water purification, p. 127, 128 



water treatment, p. 18, 127, 128, 129 

 Chlorine 



ammonia reaction, p. 22 



psychrophilic bacteria, p. 123 

 Chromium 



phytotoxicity, p. 153 



toxicity of hexavalent-fresh water, p. 61 



toxicity — sea water, p. 86 

 Cladophora 



chemical composition, p. 55 

 Climate 



irrigation efficiency, p. 145 

 Clostridia, p. 140 

 Coal, p. 205 

 Cobalt 



phytotoxicity, p. 153 

 COD see Chemical oxygen demand 

 Coke, p. 205 

 Cold water fish, p. 33 



dissolved oxygen, p. 33, 43, 44 



water temperature, p. 43 

 Coliforms 



dairy sanitation requirements, p. 125, 126 



irrigation water, p. 118 



public water supplies, p. 20, 21, 22 



shellfish, p. 37 



waste waster (pollution), p. 92 



see also Fecal coliforms 

 Color 



brackish water, p. 75 



determination, p. 48 



dissolved oxygen, p. 48 



farmstead water supplies, p. 116, 124 



fresh water, p. 34, 48 



light intensity, p. 48 



origin and definition, p. 48 



photosynthetic oxygen, p. 48 



public water supplies, p. 20, 21 



recommendation, p. 48 



restriction on light penetration reducers, p. 48 



sea water, p. 74 



spectroradiometer, p. 76 



tainting substances, p. 77 



see also Oil 

 Colorado River Basin 



dissolved solids, p. 168 

 Columbia River Basin 



dissolved solids, p. 168 

 Consumptive use 



irrigation water, p. 169, 170 

 Cooling water, p. 191 



brackish water, p. 193 



demineralization, p. 193 



fresh water, p. 193 



heat exchangers, p. 192 



industrial water, p. 187, 188, 188, 194 



recirculated water, p. 191, 193 



separation techniques, p. 193 



219 



