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2. Soil test - Wikipedia

   en.wikipedia.org/wiki/Soil_test

   In geotechnical engineering, a soil test can be used to determine the physical characteristics of a soil, such as its water content, void ratio or bulk density. Soil testing can also provide information related to the shear strength, rate of consolidation and permeability of the soil. The following is a non-exhaustive list of engineering soil ...

3. For healthy plants, test your garden's soil for pH level - AOL

   www.aol.com/lifestyle/healthy-plants-test...

   Every plant requires a specific soil pH range within which it can best absorb essential nutrients. Because the optimal range is different for every plant, gardeners should learn the pH ...

4. In situ chemical oxidation - Wikipedia

   en.wikipedia.org/wiki/In_situ_chemical_oxidation

   Deep soil mixing requires specialized auger mixing equipment. In order to apply this method in-situ and in deep soil, the oxidant must be pumped to the point of mixing using a kelly bar (a piece of earth drilling equipment), or appropriate piping to the place where the soil needs to be oxidized. The soil then has to be mixed by using mixing blades.

5. Groundwater remediation - Wikipedia

   en.wikipedia.org/wiki/Groundwater_remediation

   Much like a straw in a glass draws liquid, the pump draws liquid (including free-product) and soil gas up the tube in the same process stream. Pumping lifts LNAPLs, such as oil, off the top of the water table and from the capillary fringe (i.e., an area just above the saturated zone, where water is held in place by capillary forces).

6. Where is Raynham Center on upgrading its water treatment to ...

   www.aol.com/where-raynham-center-upgrading-water...

   The most recent testing results, from October, for all three treatment plants, indicate acceptable levels for PFAS6: 18.5 ppt for Lake Nip; 16.2 ppt from Gushee Pond; and 5.2 ppt from North Main ...

7. Constructed wetland - Wikipedia

   en.wikipedia.org/wiki/Constructed_wetland

   The plants remove about seven to ten percent of pollutants, and act as a carbon source for the microbes when they decay. Different species of aquatic plants have different rates of heavy metal uptake, a consideration for plant selection in a constructed wetland used for water treatment. Constructed wetlands are of two basic types: subsurface ...

8. United States regulation of point source water pollution

   en.wikipedia.org/wiki/United_States_regulation...

   The Deer Island Waste Water Treatment Plant, serving the Boston, Massachusetts area, is a typical point source discharger. Point source water pollution comes from discrete conveyances and alters the chemical, biological, and physical characteristics of water. In the United States, it is largely regulated by the Clean Water Act (CWA). [1]

9. Percolation test - Wikipedia

   en.wikipedia.org/wiki/Percolation_test

   A percolation test (colloquially called a perc test) is a test to determine the water absorption rate of soil (that is, its capacity for percolation) in preparation for the building of a septic drain field (leach field) or infiltration basin. [1] The results of a percolation test are required to design a septic system properly.