Sand to Sandstone: Foundation Strengthening with Chemical Grout
A large school in San Francisco, built in 1930, was in need of structural rehabilitation to eliminate earthquake hazards. Founded on loose, windblown fine sand, the footings were subject...
Largest Rotating Biological Contactor Plant Also First to Remove Nitrogen
Orlando, Florida is now constructing a new advanced waste treatment plant that removes both nitrogen and phosphorus to a high level. The plant is notable because it is the largest rotating...
How to Remove Trihalomethanes from Drinking Water
During the past year, there's been much concern about trihalomethanes (THMs) in drinking water; for they are suspected carcinogens. These chemicals are formed in the drinking...
Land-Use Planning: Grows More Exact with the Help of USGS
The U.S. Geological Survey has turned its considerable talents and resources towards providing earth-science information for urban planners and, consequently, developers. This article...
USGS Sharpening Water-Quality Management Tools
By 1983, the U.S. will have spent over $83 billion to upgrade treatment facilities to advanced waste treatment. Much of this furious effort will be in vain, won't produce...
First U.S. Carrousel Racetrack Sewage Plant: simple, economical, excellent removeal.
Campbellsville, Kentucky will be the first community in the U.S. to use a promising new sewage treatment process�� the so-called Carrousel process. The process uses turbine aerators both...
Honolulu Sewage Plant Pioneers Advanced Primary Treatment, Has Deepest Ocean Outfall
Honolulu recently started up a new sewage treatment plant that brings a new twist to decades-old sewage-treatment technology: advanced primary treatment. Key to this primary treatment...
Will EPA Relax Its Mandatory Secondary Treatment Requirement�
In the Clean Water Act of 1977, Congress said that under some circumstances communities discharging to marine waters might not have to provide full secondary treatment. At the present...
Industry Upgrades Technician Training
Here is one example where regulations were imposed by industry�voluntarily. The Washington Area Council of Engineering Laboratories, Inc., developed a program to certify technicians testing...
Toxic Chemicals in New Jersey's Environment: Cancer Link�
New Jersey has one of the highest cancer rates in the United States. It is also second in manufacture of chemicals. How are toxic chemicals getting into the New Jersey environment�� its...
How New Jersey is Handling Its Hazardous Wastes
For many years, environmental agencies have paid little attention to how industry manages and disposes of its hazardous wastes. This has been especially true in New Jersey. As a result...
EPA Goes to BAT Against Toxic Industrial Wastewater
Industrial wastewater discharged into municipal sanitary sewers can pass untreated through the treatment plant and into the receiving water. Some industrial wastes can also harm biological...
Environmental Problems and Products
Solving environment-related problems with certain products in case history format. Includes: Rebuilding a pelican's nest in Colorado, erosion control. Converting a garbage...
New Use for Filter Fabric: Highway Construction
A growing area of filter fabric use is road construction, both secondary and superhighway. The article focuses on one case history in Cambridge, Maryland where, after a one-year test,...
Environmental Engineering Research Needs
In June 1979 a National Science Foundation�ASCE workshop was convened to prepare a report suggesting top-priority research needs in civil engineering for the 1980s. The field was split...
Nuclear Testing of Utility Trench Backfill
For many years, Westchester County municipalities were resigned to the fact that compaction of utility trenches could not be done satisfactorily and that settlement and road failure would...
Appropriate Technology in Water Supply and Waste Disposal
Proceedings of a session held at the ASCE National Convention in Chicago, Illinois, October 16-20, 1978. Sponsored by the Research Council on Environmental Impact Analysis of the ASCE...
Evaluation and Prediction of Subsidence
Proceedings of the International Conference on Evaluation and Prediction of Subsidence held at Casino Hotel, Pensacola Beach, Florida, January 1978. Sponsored by the American Society of...
Symposium on Earth Reinforcement
Proceedings of the Symposium on Earth Reinforcement, held at the ASCE Annual Convention, Pittsburgh, Pennsylvania, April 27, 1978. Sponsored by the Committee on Placement and Improvement...
Environmental Engineering
The topics covered are: Wastewater reclamation in the western United States; Appropriate technology for the disposal of wastewater in rural areas; Management and reclamation of solid wastes;...
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