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Searched The Knowledge Base for "soil"
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Wash with mild detergent and water. Use a soft bristle brush for stubborn soil. Rinse and dry. Some household cleaners and solvents remove plasticizers from vinyl, making them brittle. Abrasive cleaners scratch the smooth surface.
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Water include items of natural origin and those resulting from human activities. Common reasons for testing water may be the presence of unusual taste, appearance or odor, or the need to check the suitability of a new water supply for drinking, irrigation or other uses.
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Cultural landscapes can range from thousands of acres of rural tracts of land to a small homestead with a front yard of less than one acre. Like historic buildings and districts, these special places reveal aspects of our country's origins and development through their form and features...
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Lead-based paint, a toxic material, was widely used in North America on both the exteriors and interiors of buildings until well into the second half of the twentieth century. If a "historic" place is broadly defined in terms of time as having attained...
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The adobe, or sun-dried brick, is one of the oldest and most common building materials known to man. Traditionally, adobe bricks were never kiln fired. Unbaked adobe bricks consisted of sand, sometimes gravel, clay, water, and often straw or grass mixed together by hand...
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"Universal solvent" will dissolve most kinds of soils except oily ones. Alkalis, acids, bleaches or detergents added to water to chemically react with specific soils and loosen them so they can be removed in water. Prompt sponging with water (IF safe for material) can remove many stains without adding chemicals.
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Radon (Rn) is a colorless, odorless, radioactive gas. Radon is produced when trace amounts of uranium and radium in the soil or rocks decay. The radon gas will then also decay into radioactive solid particles, called radon daughters or radon progenitors.
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Violent, swift, and unpredictable, earthquakes result from sudden movements of the geological plates that form the earth’s crust, generally along cracks or fractures known as "faults."
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Abrasive cleaning methods are responsible for causing a great deal of damage to historic building materials. To prevent indiscriminate use of these potentially harmful techniques, this brief has been prepared to explain abrasive cleaning methods, how they can be...
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Uncontrolled moisture is the most prevalent cause of deterioration in older and historic buildings. It leads to erosion, corrosion, rot, and ultimately the destruction of materials, finishes, and eventually structural components.
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<< Previous 10
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Searched The Knowledge Base for "soil"
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Found 22 matches
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|

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