1: Tidy up and clean floor finally and decisively (4,3,3,3)
2: Rejected, for the most part, unlikely chance to buy rubbery substance (9)
3: Toss a hammer into a nuclear accelerator! (4,7)
4: Non-discounted rate for newly split grain (4,5)
5: One young lady who is out of order (5)
6: Walesa still embodies how Nobel Laureates soar? (3)
7: Release pressure after energy incident (5)
10: Gradually reduce European Community requisitions for playback devices (4,9)
13: Be prepared with amnesties for truancy (11)
15: Snub journalists with this surprisingly common medical specialty (2,7)
17: Come through, for the most part; at end of course, make a series of holes (9)
22: Miserable raise follows poor grade (5)
25: Mr Stewart on the staff (3)