Boart Longyear diamond drilling firm; Brainard-Kilman, a maker of civil engineering devices, such as well monitoring and test equipment; and ChemGrout a mfg of cement grouting equipment. Longyear acquired Slope Indicator Company, the nation's largest producer of geotechnical instruments, and Northern Air Supply in 1988, followed by the Campbell Pacific Division in 1989 and WTD Environmental Drilling in 1990. Then in 1994, North Star Drilling Company, specializing in sonic drilling was acquired. On January 2, 1995, Boart International and the Longyear Company officially merged into a single company and changed its name to Boart Longyear Limited. At this point the two companies
Solid waste policy in the United States materials in irrigation return flows, or industrial discharges. The large scope of the term "solid waste" means that it must be managed in a variety of different ways and that various levels of government employ different policy instruments in order to accomplish this task. Generally, the term "solid waste" refers to non-hazardous waste, though according to the Resource Conservation and Recovery Act (RCRA) and other state regulations, "hazardous waste" is also a part of solid waste. Municipal Solid Waste (MSW), commonly known as trash or garbage, includes all everyday thrown away items from households, commercial and institutional entities, horticulture, and