PRESENT STATUS OF WATER POLLUTION CONTROL.
D003902:Detergents; D004782:Environmental Health; D005308:Fertilizers; D008386:Marine Biology; D010575:Pesticides; D011635:Public Health Administration; D012498:Sanitary Engineering; D012722:Sewage; D014481:United States; D014871:Water Microbiology; D014876:Water Pollution
D003902:Detergents; D005308:Fertilizers; D010575:Pesticides; D012722:Sewage
DETERGENTS; ENVIRONMENTAL HEALTH; FERTILIZERS; MARINE BIOLOGY; PESTICIDES; PUBLIC HEALTH ADMINISTRATION; SANITARY ENGINEERING; SEWAGE; UNITED STATES; WATER MICROBIOLOGY; WATER POLLUTION