Afternoon all.
1A During flowering uranium's producing a form of radiation (12)
14A Composer sounds like worker at last (8)
2D Class 1 introduced to union's lack of diversity (10)
6D Denounce fraud supported by loveless fiend (7)
13D Somehow 12 also takes in briefly rich island (6,4) (clue 12 - answer is Peru)
18D Recalculates cost of nearly everything in satirical shows (8)
28A Exploit is in vain with leader (7)
thanks