Cryptic crossword No 3,499

Across

1. Waste carrier maybe providing incriminating information? (5,6)
2. Discontinue rubbish tap (8)
3. Took the plunge in US as pacifist (4)
4. Cheat seaside nuisance? (4)
5. Oracles maybe using 10? (6)
6. See 6a
7. Still turns around the French (8)
8. Fibre producers cost denotes problem (6,5)
9. Accepts small delights (8)
10. Clobber uneducated predator? (6)
11. Major party is feat of organisation (6)
12. Achievement - that woman's down! (8)
13. Ladybirds found in kitchen sink... (4)
14. ...with their mate's call to gloat! (4)
15. Points to holding a parade (5)

Down

1. Anticipated Spanish relative coming back in state of amazement (7)
2. Without Iodine, exam spoils abnormal cellular layers (9)
3. Vaccine component cleverly ensnares 80% of germs (9,3)
4. Consumed rapidly by mouth; haemorrhaged heavenward (7,2)
5. Enclosure of community facility? (4)
6. Reverse osmosis acceptable cheat (4)
7. Divination by watching birds blundering into monarchy? (12)
8. Perhaps pest free solution to jet fuel shortage? (3,4)
9. Casanova returns to stream (4)
10. Sell empty wok, after a laugh (4)
11. Flying high with anthem about fresh air (7)
12. Where any of 23, 24, 25 (and many others) will have longest 21a? (3,4)
13. Feature common to many entries herein, leading nuns in head coverings? (5)