Boart Longyear Longyear, which eventually became Boart Longyear. He drilled his first diamond drill core hole in 1890 in northern Minnesota. Longyear's company developed the wire-line retrieved Q core barrel. Longyear was inducted into the National Mining Hall of Fame in Leadville, Colo in 1990. On March 1, 2016, Mr. Jeffrey Olsen was appointed President and Chief Executive Officer of Boart Longyear. He joined the company as the Chief Financial Officer in March 2014. Boart Longyear conducts contract drilling services in more than 40 countries, and provides mining products to customers in over 100 countries. Boart Longyear Boart Longyear is a global
Waste treatment Waste treatment Waste treatment refers to the activities required to ensure that waste has the least practicable impact on the environment. In many countries various forms of waste treatment are required by law. The treatment of solid wastes is a key component of waste management. Different forms of solid waste treatment are graded in the waste hierarchy. Agricultural wastewater treatment is treatment and disposal of liquid animal waste, pesticide residues etc. from agriculture. Industrial wastewater treatment is the treatment of wet wastes from manufacturing industry and commerce including mining, quarrying and heavy industries Sewage treatment is the treatment and disposal