Cryptic crossword No 3,090

Across

1. Monetary commitments from which there is no return? (5,5)
2. Chemical waste dumped in mature arboretum (4)
3. Religious experts include Scotsman in the old records (11)
4. Impassable one mile before broken down Beamer with help not starting (11)
5. Council supporters in SE party are upset (10)
6. Leave sailor by shocking scene (7)
7. At a loss broken pen unsold (9)
8. Cart in builder’s premises reversed (4)
9. Over in Paris partying relative contracted a skin disease (9)
10. Big end drops off vehicle transmission component in town (7)
11. Park in very rich landscape near 24d we're told (5)
12. Potters with wall coverings covering dado not evenly (7)
13. Decapitated, cut in two after victory for controller (5)
14. Ragged rip in shabby coat of golden hue (7)

Down

1. Report echo after later explosion (6)
2. How one should drive we’re told north from 5a (10)
3. Town found via forgotten byway (5)
4. Boxers I found in dog catalogues (9)
5. Theses serial numbers we prepared for publications (10)
6. Geurilla bombs deafen exploding around you (8)
7. Diamond trade centre for the French roughly earns around top of valuation (6)
8. Continue to get out (4,2)
9. Flower picked up in prison yard possibly? (9)
10. Take this car north from 5a (8)
11. Soprano instrument for woman who's paid for it? (8)
12. Carve small cradle in pine mostly (8)
13. Needle inserted in delirious patient the wrong way (4)
14. Want high praise (6)
15. One in a cage? (5)
16. Brook in town babbled (4)