CONTENTS 



PaRe 



Introduction 1 



Approach 3 



Radioactive Substances 4 



Chemical Air Pollutants 4 



Airborne Dusts 5 



Sediment 6 



Plant Nutrients 7 



Surface Water 7 



Nitrate in Ground Water 8 



Inorganic Salts and Minerals 8 



Organic Wastes 9 



Sewage 9 



Animal Wastes 10 



Plant Residues 10 



Trash in Forests and Forestry Operations 11 



Processing Wastes 11 



Dilution of Organic Wastes in Streams 11 



Infectious Agents and Allergens 12 



Animal Disease Agents 12 



Plant Disease Agents 13 



Allergens 13 



Agricultural and Industrial Chemicals 13 



Detergents 13 



Insecticides 14 



Herbicides 14 



Fungicides 15 



Heat_. 15 



Socioeconomic Evaluation 16 



APPENDIX I: WASTES ADVERSELY AFFECTING AGRICULTURE AND 



FORESTRY 17 



Radioactive Substances 17 



( hemical Air Pollutants 19 



Sulfur Dioxide 20 



Fluoride 21 



Peroxyacetylnitrate and Ozone 21 



Oxides of Nil rogen 



Ethylene 



Lead Compounds 22 



Summary ~ 



Airborne Dusts 22 



Sediment 



Plant Nutrients 



Inorganic Salts and .Minerals 26 



Oi ganic Wastes 27 



