The effects of exposure to different chemicals, each of which is below its upper limit, may combine and pose a risk to workers. MiXie is a tool that provides support for assessing the potentially additive effects of chemicals. Over 100 chemical compounds with French eight-hour occupational exposure limit values are in the database; the chemicals are grouped according to their toxicological effects. After the workplace measurement data is input into the tool, its calculations can reveal if there exists in the workplace a combination of exposures that may present a health risk through one or more toxicological effects.
The Canadian version(which utilises Canadian occupational exposure limit values and features a different set of compounds) is also available in English.