chemical accident
unintentional release of one or more hazardous substances which could harm human health and the environment
en-GB/ˈkɛmɪkl ˈæksɪdənt/
en-US/ˈkɛmɪkəl ˈæksɪdənt/
unintentional release of one or more hazardous substances which could harm human health and the environment