altistumiskohdasta

Altistumiskohdasta is a Finnish term that refers to the specific location where exposure to a hazard occurs. It is used in fields such as occupational safety, radiation protection, and environmental monitoring to identify the exact point or area where a person or object is subjected to a harmful agent, such as ionizing radiation, chemicals, noise, or heat. Defining the exposure point helps in assessing risk, measuring dose or concentration, and planning protective measures.

In practice, the exposure point is considered when evaluating how exposure happens during work or a process. In radiation protection, it can denote the position where the radiation field is assessed or where workers are most likely to receive dose. In chemical exposure, it corresponds to the workstation or source from which vapors, aerosols, or fumes originate. Assessments typically involve process mapping, measurements with dosimeters or air samplers, and accounting for factors such as time spent at the point, distance from the source, and available shielding.

Management of altistumiskohdasta focuses on reducing exposure through engineering controls (such as enclosures, local extraction, and shielding), administrative controls (work procedures, task rotation), and appropriate personal protective equipment. Clear labeling, restricted access to high-exposure areas, and routine monitoring are common practices. The concept supports safety planning, incident investigations, and regulatory reporting by providing a clear reference for where and how exposure occurs and where improvements are needed.