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According to the Regulation “Classification of waste and waste nomenclature”, waste is divided into two categories: non-hazardous waste and hazardous waste. Hazardous waste is waste which, because of its characteristics, may endanger human health, property or the environment. They may contain chemicals, heavy metals and other compounds harmful to health or the environment. Hazardous waste may be corrosive, flammable or toxic. In Estonia, most hazardous waste [...]

Calibration of measuring instruments is the process of checking the reading of a measuring instrument to determine the relationship between the reading of the instrument and the known value of the quantity to be measured. The importance of calibration of radiation measurement equipment Calibration of radiation measurement equipment is important for several reasons: Frequency of calibration of measuring instruments The frequency of calibration of measuring instruments depends on the type of measuring instrument, the field of application, as well as the requirements of the manufacturer or legislation. In general, instruments should be calibrated in the following cases.

The former nuclear site in Paldiski, once a Soviet submarine training centre with working nuclear reactors, has now been made safe and offers the opportunity to explore the special site through guided tours. The story of the former Paldiski nuclear facility In the early 1960s, a nuclear facility was built in Paldiski on the Pakri peninsula for the onshore training of Soviet navy nuclear submarine crews. The main building housed two classrooms with working nuclear reactors and simulations of submarine control. Paldiski [...]

Radioactive substances cause ionising radiation, which is divided into alpha, beta, gamma, X-ray and neutron radiation. Ionising radiation is invisible, odourless and colourless or imperceptible to humans, but it can have a significant impact on human health and the living environment. What is ionising or radioactive radiation? Ionising radiation can come from both natural and man-made sources, with different doses and [...]

Radioactive waste is any substance, material or object containing or contaminated with radionuclides that has an activity above the exemption levels laid down in the Radiation Act and is not intended for future use. Most of Estonia's radioactive waste dates back to the Soviet Union. Today, the main generators of radioactive waste are medical, industrial and scientific institutions holding a radiological licence. Reception of radioactive waste Radioactive waste is received in two [...]