| Nitrogen transformations and loss in flooded soils and sediments | 1984/01/01 | English | 269 |
| Using models to simulate the movement of contaminants through groundwater flow systems | 1979/11/01 | English | 200 |
| Arsenic in the marine and aquatic environments: Analysis, occurrence, and significance | 1974/01/01 | English | 113 |
| Toxic effects of lead and lead compounds on human health, aquatic life, wildlife plants, and livestock | 1982/10/01 | English | 102 |
| Aquatic aluminum: Chemistry, toxicology, and environmental prevalence∗ | 1977/06/01 | English | 98 |
| Acidic deposition: Effects on aquatic ecosystems | 1984/01/01 | English | 94 |
| Fecal coliform and fecal streptococcus density relationships in waste discharges and receiving waters | 1976/10/01 | English | 87 |
| Anaerobic digestion of organic matter | 1974/01/01 | English | 77 |
| Coprostanol as an indicator of fecal pollution | 1982/04/01 | English | 77 |
| Environmental control of the immune response in fish | 1981/01/01 | English | 77 |
| Bacterial and biochemical tests for assessing chemical toxicity in the aquatic environment: A review | 1983/01/01 | English | 62 |
| PCB's and their environmental effects | 1975/09/01 | English | 48 |
| Air pollution: The organic components | 1981/05/01 | English | 47 |
| Biological effects of microwave and radiofrequency radiation | 1977/06/01 | English | 46 |
| Air pollution and microbial ecology | 1974/01/01 | English | 42 |
| Partitioning of inorganic orthophosphate in soil‐water systems∗ | 1980/10/01 | English | 38 |
| The ecology of enteroviruses in natural waters | 1980/07/01 | English | 35 |
| Petroleum hydrocarbons in aquatic ecosystems — behavior and effects of sublethal concentrations: Part 1∗ | 1980/12/01 | English | 35 |
| Incidence and significance of polynuclear aromatic hydrocarbons in the water environment | 1974/01/01 | English | 34 |
| Biological aspects of thermal pollution I. Entrainment and discharge canal effects∗ | 1970/01/01 | English | 31 |
| Airborne fluorides and man: Part I | 1977/12/01 | English | 29 |
| Toxicology assessment of organic compounds in drinking water | 1982/10/01 | English | 29 |
| Selenium in soil, plant, and animal systems | 1983/01/01 | English | 26 |
| Persistent pesticides in the environment | 1970/01/01 | English | 25 |
| Plant responses to sulfur dioxide pollution | 1979/02/01 | English | 25 |
| Copper, lead, and zinc pollution of soil environment | 1982/03/01 | English | 24 |
| The use of freshwater wetlands as a tertiary wastewater treatment alternative | 1979/11/01 | English | 24 |
| Mercury: Environmental considerations, part I | 1973/01/01 | English | 22 |
| Petroleum hydrocarbons in aquatic ecosystems — behavior and effects of sublethal concentrations: Part 2 | 1981/01/01 | English | 21 |
| Beach erosion: Causes, processes, and remedial measures | 1976/09/01 | English | 20 |