1: Worthless even when recycled (3)
2: Fix the oil platform ... (3)
3: Came back on a diet anew and wasted away (9)
4: Express joy in slaughter (5)
5: Oddballs go right to Kansas (5)
8: Rates of movement for the last politician entering it backwards (5)
9: Come to Korea - Chinese part (5)
12: Emergency room stocks one sensitive organ (3)