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Daniel B. Stephens & Associates, Inc.
UEI: LKUUXBFDZZT2
# of Employees: N/A
HUBZone Owned: No
Socially and Economically Disadvantaged: No
Woman Owned: No
Award Charts
Award Listing
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Subsurface Treatment for Arsenic Removal
Amount: $100,000.00Subsurface treatment for arsenic removal (STAR) is an innovative technology for treatment of arsenic in groundwater at the wellhead. The STAR technology can result in large cost savings when compared ...
SBIRPhase I2003Environmental Protection Agency -
Siphon-Infiltration Trenches for Riparian and Water Quality Improvement
Amount: $69,999.00We have developed a novel siphon-infiltration trench system to mange water and sediment budgets in riparian systems. We have demonstrated in the laboratory and developed a numerical model showing the ...
SBIRPhase I2001Department of Agriculture -
Gravel Mulch Buffers
Amount: $54,984.00Water quality and soil erosion are high priority issues for U.S. agriculture. In more humid areas of theU.S., vegetation filter strips have proven to be an effective method of reducing erosion and im ...
SBIRPhase I1997Department of Agriculture -
ONE-STEP INFLOW/OUTFLOW CELL TO DETERMINE SOIL HYDRAULIC PROPERTIES
Amount: $145,000.00THE RELATIONSHIP AMONG WATER POTENTIAL, HYDRAULIC CONDUCTIVITY, AND WATER CONTENT (P-K-O) ARE SOME OF THE MOST COMMONLY SOUGHT SOIL PHYSICAL PROPERTIES. PREDICTION OF WATER AND SOLUTE MOVEMENT IN BOTH ...
SBIRPhase II1994Department of Agriculture -
A PRACTICAL METHOD TO DETERMINE VERTICAL HYDRAULIC CONDUCTIVITY IN LOW-PERMEABLE SOIL
Amount: $177,935.00VERTICAL SATURATED HYDRAULIC CONDUCTIVITY OF SOIL ABOVE A DEEP WATER TABLE IS ONE OF THE MOST IMPORTANT CHARACTERISTICS GOVERNING FLOW AND TRANSPORT. THIS PARAMETER IS USED IN WATER BALANCE STUDIES OF ...
SBIRPhase II1993Department of Agriculture -
ONE-STEP INFLOW/OUTFLOW CELL TO DETERMINE SOIL HYDRAULIC PROPERTIES
Amount: $50,000.00N/A
SBIRPhase I1992Department of Agriculture -
A PRACTICAL METHOD TO DETERMINE VERTICAL HYDRAULIC CONDUCTIVITY IN LOW-PERMEABLE SOIL
Amount: $49,128.00N/A
SBIRPhase I1991Department of Agriculture -
DEVELOPMENT OF A DEEP BOREHOLE PERMEAMETER TO DETERMINE UNSATURATED HYDRAULIC PROPERTIES DEVELOPMENT OF A DEEP BOREHOLE PERMEAMETER TO DETERMINE UNSATURATED HYDRAULIC PROPERTIES
Amount: $49,900.00PREDICTING THE RATE OF SOIL WATER MOVEMENT AND THE IMPACT OFAGRI-CHEMICALS ON WATER RESOURCES IS VITALLY IMPORTANT TO MANAGING AGRICULTURE, FOR OPTIMIZING PRODUCTIVITY AND MINIMIZING ENVIRONMENTAL IMP ...
SBIRPhase I1990Department of Agriculture