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Asbestos in Soil Workgroup

The Department of Environmental Protection is holding public hearings on proposed amendments to: 310 CMR 40.0000, the Massachusetts Contingency Plan or MCP (adopted pursuant to M.G.L. Chapter 21E); 310 CMR 7.15 (the Air Quality regulations governing management of asbestos, adopted pursuant to M.G.L. c. 111, §142 A-D) and of 310 CMR 19.000 (the Solid Waste Management regulations, adopted pursuant to M.G.L. c. 111, §150A). The proposed amendments are intended to clarify and streamline requirements for assessment and cleanup of asbestos that has been released to the environment.

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Erosion Control, and Nanotechnologies (NT)

Erosion Control Forum – Information on erosion control devices and resources Skip to content Abstract Nanotechnology (NT) The National Nanotechnology Initiative defines nanotechnology as understanding and controlling matter at dimensions between approximately 1 and 100 nanometers, where unique phenomena enable novel applications. Introduction Nanotechnology offers the potential to effectively treat contaminants in situ, avoiding excavation or the need to pump contaminated water out of the ground. The process begins with nanoparticles being injected into a contaminated aquifer via an injection well. Role of Nanotechnology Nanotechnology plays a crucial role in improving wind turbine performance...
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Environmental Issues

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Geogrid

Erosion Control Forum – Information on erosion control devices and resources Skip to content A geogrid is geosynthetic material used to reinforce soils and similar materials. Soils pull apart under tension. Compared to soil, geogrids are strong in tension. This fact allows them to transfer forces to a larger area of soil than would otherwise be the case.[citation needed]. Geogrids are commonly made of polymer materials, such as polyester, polyvinyl alcohol, polyethylene or polypropylene. They may be woven or knitted from yarns, heat-welded from strips of material, or produced by punching a regular pattern of holes in sheets of material, then stretched into a grid.Geogrid is typically used for soil reinforcement applications such as retaining walls, steepened slopes, embankments, sub-grade stabilization, embankments over soft ...
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