7.8 If a less stringent objective is set, the objective and justification for it must be reviewed for each update of the RBMP.
7.8 Os caiff amcan llai llym ei osod, rhaid mynd ati i adolygu’r amcan a’r cyfiawnhad dros ei osod bob tro y caiff y Cynllun Rheoli Basn Afon ei ddiweddaru.