In 1993 The Oregon Department of Environmental Quality developed a Cross-media Comparative Risk Assessment model to address certain regulatory concerns. Due to budget constraints the model was never beta tested. Now in 1995, the X-media project has been reopened, and the model revised, and tested. Specific revisions include: 1) Upgrade...
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been reopened, and the model revised, and tested. Specific revisions include: 1)
Upgrade from a Level
The study of aldehydes in diesel exhaust is important because
of their relationship to diesel odor, to air pollution, and to the development
of a theory of combustion. Therefore, a study is made
of the low order aliphatic aldehydes using gas chromatography in
conjunction with standard wet chemical tests.
The...
This PowerPoint presentation contains selected images pertaining to Animal Damage Management in the Pacific Northwest region of the United States. Viewers are welcome to use this PowerPoint or any images contained therein. The material has been assembled during much of the author’s career, so proper attribution would be appreciated when...
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animals like gophersand porcupines. The following set of slides will illustrate this category of animal
The Tobin Range of central Nevada lies in the Basin and Range extensional
province near the transition between more extended terrane (>50%) to the south and
east, and generally less extended terrane to the north and west. Geologic mapping,
40Ar/39Ar dating and whole-rock geochemical analysis were employed to establish the...
The Tobin Range of central Nevada lies in the Basin and Range extensional
province near the transition between more extended terrane (>50%) to the south and
east, and generally less extended terrane to the north and west. Geologic mapping,
40Ar/39Ar dating and whole-rock geochemical analysis were employed to establish the...
Soil acidity is a major factor inhibiting pasture production in western Oregon. The typical management solution to acidic soil problems is to lime. However, lime cannot be incorporated directly into the soil in established pasture. The only alternative is topdress or surface apply lime and wait for soil fauna to...
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Topdressed Lime Upon Pasture Production and Quality.
Gene Pirelli, John Hart
Soil acidity is a major factor