https://doi.org/10.1351/goldbook.16233
Statistical lower CL on the concentration that produces a defined response (called the benchmark response or BMR, usually \(\pu{5\%}\) or \(\pu{100\%}\)) for an adverse effect compared to background, defined as \(\pu{0\%}\).

Dose–response curve showing BMC and BMCL (BMC 10 % lower CL).