The AELshort forAcceptable Exposure Level specifies the estimated maximum systemically available amount of a substance (e.g. a biocidal agent) that affected groups of people can be exposed to dermally, by inhalation or orally (not via food) on a daily basis within the respective time period without any expectation of a detectable health risk. The AELshort forAcceptable Exposure Level is primarily used with biocidal agents to assess the risk for consumers and users and is typically derived for three time periods (short-term, medium-term and long-term). The AELshort forAcceptable Exposure Level is usually specified in mgshort formilligram/kgshort forkilogram body weight per day.