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The Indiana Department of Environmental Management was created an act passed by the Indiana General Assembly and signed into law by Governor Robert D. Orr in 1986. This act moved pollution control efforts (Indiana Air Pollution Control Board, Indiana Stream Pollution Control Board and the Indiana Environmental Management Board) from the Indiana State Department of Health to the new agency on ...
The scopes of work are based on the ASTM E1527-05 Standard but have specific requirements including the following: the percent and scope of the property inspection; requirements for radon testing; asbestos and lead-based paint testing and operations-and-maintenance (O&M) plans to manage the hazards in place; lead in drinking water; and mold ...
The Indiana Department of Natural Resources (DNR) is the agency of the U.S. state of Indiana.There are many divisions within the DNR and each has a specific role. The DNR is not only responsible for maintaining resource areas but also manages Indiana's fish and wildlife, reclaims coal mine ground, manages forested areas, aids in the management of wildlife on private lands, enforces Indiana's ...
Building materials can be a rare source of radon, but little testing is carried out for stone, rock or tile products brought into building sites; radon accumulation is greatest for well insulated homes. [95] There are simple do-it-yourself kits for radon gas testing, but a licensed professional can also check homes.
Radon mixed with hydrogen entered the evacuated system through siphon A; mercury is shown in black. Radon was discovered in 1899 by Ernest Rutherford and Robert B. Owens at McGill University in Montreal. [48] It was the fifth radioactive element to be discovered, after uranium, thorium, radium, and polonium.
Working level (WL) is a historical unit of concentration of radioactive decay products of radon, applied to uranium mining environment. [1] One working level refers to the concentration of short-lived decay products of radon in equilibrium with 3,700 Bq/m 3 (100 pCi/L) in air. These decay products would emit 1.3 × 10 5 MeV in complete decay. [2]
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
Radon is responsible for the majority of public exposure to ionizing radiation. It is often the single largest contributor to an individual's background radiation dose, and is the most variable from location to location. Radon gas from natural sources can accumulate in buildings, especially in confined areas such as attics and basements.