A Modern Cone Penetration Testing Vehicle
The geotechnical group at the University of Florida recently purchased a new insitu testing cone truck. This is a powerful, all wheel drive, off-the-road vehicle designed specially for...
In-Situ Testing to Characterize Electric Transmission Line Routes
A review of the literature has shown few definitive studies which separate test variability from soil inhomogeneity. A sensitivity study was performed to evaluate the effects of the overall...
CPT/DMT QC of Ground Modification at a Power Plant
The use of 908 static cone penetration test (CPT) and 33 Marchetti dilatometer test (DMT) soundings provided the quality control (QC) needed to improve a power plant site by the use of...
Uplist Capacity of Pile Foundations Using CPT Data
Southern California Edison Company has performed field uplift load tests on concrete driven piles, cast-in-place straight shaft piles and cast-in-place belled piers along transmission...
Putting Wastewater to Work
Although the central Florida city of Altamonte Springs sits on one of the world's most productive aquifers, the Floridan Aquifer, the town is investing $35 million in a system...
Field Study of Specialized Bacteria for Nitrification
A full scale field study using specialized bacteria was conducted to determine its effectiveness in achieving nitrification while quantifying dosage rates. A side-by-side comparison of...
The Optimization of Nitrification and Denitrification in Plug-Flow Activated Sludge Systems Treating Municipal Wastestreams
Most conventional plug-flow activated sludge plants experience nitrification, particularly during higher temperature conditions. Under these circumstances, additional power is required...
Aerated Static Pile Composting of Wastewater Sludge: A Field Study in Longmont, Colorado
This is a report of experimental work at the Longmont wastewater plant at Colorado, on aerated static pile composting of wastewater sludge. 61% of the sludge mass used in compost piles...
Comprehensive Odor Control Programat East Bay Municipal Utility District (SD-1)
An odor control study was performed in a wastewater treatment plant in California to evaluate the interactive role of various factors tailored to site specific conditions. The scope of...
Ft. Lauderdale Wellfield Protection
Results of the study on groundwater contamination measurement and control are reported. The goal of this study was to ensure a safe and long-term supply of drinking water to the City of...
Comparison of Two Audits for Electric Utilities
Two case studies on environmental audits were examined to illustrate the differences between the comprehensive audit and a focused audit. The differences in audit team composition, technical...
Large Scale ABF Mode Proves to be an Innovative Alternative for the City of Memphis
The article describes a modification carried out to overcome overloading of wastewater treatment plant at Memphis. The plant was originally constructed as a contact stabilization activated...
Full-Scale Automation of an SBR Wastewater Treatment Facility
Due to advantages offered by discontinuous wastewater processing, considerable attention has been given to the use of sequencing batch reactor (SBR). This paper will examine the implementation...
Removal of Trace Organics in MunicipalWastewater
This paper presents the results of three years of monitoring effluent quality from two treatment facilities for trace organic chemicals in Pima County, Arizona. Approximately thirty 24-hour...
Slow Rate Sand Filtration Using a Zeolite Surface Amendment
The objective of the study was to obtain detailed information regarding amended filter performance at surface loading rates 2 to 4 times higher than standard flow rates. Experiments were...
Meeting Revised Drinking Water Regulations Using Conventional Treatment Methods
This paper discusses the removal efficiency of standard treatment processes for each of the four groups of contaminants. The evaluation of a process's capability to meet the...
Remedial Measures for a Creosote Impoundment Closure
In conformance with the 1984 amendments to the Resource Conservation and Recovery Act (RCRA) Part 264 requirements, Burlington Northern Railroad (BN) constructed a double high density...
Sulfide Control in Omaha and Cedar Rapids
Omaha, Nebraska, and Cedar Rapids, Iowa have been involved in efforts to control sulfide in major interceptors, at the influent to the treatment plants, and within the treatment facilities....
Safety Aspects of Sulfide and Corrosion Studies (
An overview of the hazards involved in performing sulfide and corrosion studies in sewage treatment and collection systems is presented. Important factors which should be recognized in...
Leaching Characteristics of Metal Finishing Sludges
The purpose of this research was to study the feasibility of biodegrading phenolics to methane by thermophilic anaerobic treatment. The study was a feasibility level assessment which examined...
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