title: Blue flags.
authors.forename: Brian
authors.initials: B
authors.lastname: Morton
mesh_terms: D001493:Bathing Beaches / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data; D004739:England; D058735:Environmental Policy; D014871:Water Microbiology; D014876:Water Pollution / Q000032:analysis / Q000517:prevention & control / Q000706:statistics & numerical data*; D060753:Water Quality / Q000592:standards*