Hòa tan có nguồn gốc khí vào khí quyển Khí hòa tan từ hoạt động công nghiệp của con người Hạt vật chất từ các ngăn xếp công nghiệp, bụi, và các hạt phóng xạ Nguyên liệu rửa sạch khỏi bề mặt của trái đất, ví dụ như, Chất hữu cơ như lá, cỏ, và thực vật khác trong tất cả các giai đoạn của phân hủy sinh học Vi khuẩn liên quan với các mảnh vỡ bề mặt (bao gồm cả sinh vật đường ruột) Đất sét, bùn, và các hạt khoáng sản khác Chiết hữu cơ từ thực vật mục nát Dư lượng thuốc trừ sâu và. | CHAPTER 8 Water Quality Katherine L. Thalman and James M. Bedessem CONTENTS Section 8A Water Quality. 8-1 Section 8B Drinking Water Quality Standards United States. 8-33 Section 8C Drinking Water Standards World. 8-54 Section 8D Municipal Water Quality. 8-71 Section 8E Industrial Water Quality. 8-105 Section 8F Irrigation Water Quality. 8-115 Section 8G Water Quality for Aquatic Life. 8-129 Section 8H Recreational Water Quality. 8-176 Section 8I Water Quality for Livestock and Aquaculture. 8-183 Section 8J Water Treatment Processes. 8-189 Section 8K Water Treatment Facilities. 8-218 8-1 2006 by Taylor Francis Group LLC 8-2 THE WATER ENCYCLOPEDIA HYDROLOGIC DATA AND INTERNET RESOURCES SECTION 8A WATER QUALITY Table Summary of Quality Inputs to Surface and Groundwaters Contributing Factor Principal Quality Input to Surface Waters Meteorological water Dissolved gases native to atmosphere Soluble gases from man s industrial activities Particulate matter from industrial stacks dust and radioactive particles Material washed from surface of earth . Organic matter such as leaves grass and other vegetation in all stages of biodegradation Bacteria associated with surface debris including intestinal organisms Clay silt and other mineral particles Organic extractives from decaying vegetation Insecticide and herbicide residues Domestic use exclusive of industrial Undecomposed organic matter such as garbage ground to sewer grease etc. Partially degraded organic matter such as raw wastes from human bodies Combination of above two after biodegradation to various degrees of sewage treatment Bacteria including pathogens viruses worm eggs Grit from soil washings eggshells ground bone etc. Miscellaneous organic solids . paper rags plastics and synthetic materials Detergents Industrial use Biodegradable organic matter having a wide range of oxygen demand Inorganic solids mineral residues Chemical residues ranging from simple acids and alkalis to those of highly complex .
