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Filtering by: Date issued sim 1969-06-27 Degree Name Master of Science (M.S.) Commencement Year 1970

Septic-tank drainfield performance in five Willamette Valley soils

Creator:

Wert, Stephen R.

Abstract:

Permeability, effects of age, and water table fluctuations were studied for nine drainfields in five soil types ranging from well to poorly drained. Three sites were in Willamette, one in Woodburn, two in Amity, two in Concord, and one in Dayton soils. Before permeability of drainfields could be evaluated, methods...

Resource Type:

Masters Thesis
The character and biological treatability of log pond waters

Creator:

Hoffbuhr, Jack Wayne

Abstract:

A study was conducted to determine the chemical nature and the biological treatability of log pond water. Various analyses including total solids, volatile solids, suspended solids, dissolved oxygen, pH, COD, BOD₅, BOD₂₀, total Kjeldahl nitrogen, nitrate nitrogen, phosphate, and PBI were performed on water samples from each of the four...

Resource Type:

Masters Thesis