This crossword No. 9685 clues and answers were published on Fri 18 May 2001 and the puzzle can be visited by following The Guardian Quick Crossword No. 9685 link.
All Across Clues and Answers:
1-across – Best not to do it in 12 : CHANGE
4-across – See 1 : HORSES
8-across – Audible in protest : VOCAL
9-across – Model – design – example : PATTERN
10-across – Passage : TRANSIT
11-across – Absolute – say : UTTER
12-across – Furthest from banks : MIDSTREAM
17-across – Uninteresting : VAPID
19-across – Neatly arranged : ORDERLY
21-across – Generosity : LARGESS
22-across – Underground chamber – jump! : VAULT
23-across – Suburb with film studio : EALING
24-across – Catalytic protein molecule : ENZYME
All Down Clues and Answers:
1-down – Hole : CAVITY
2-down – Welcome enthusiastically : ACCLAIM
3-down – Red : GULES
5-down – Be offensively prominent : OBTRUDE
6-down – Piece of linen, paper, etc : SHEET
7-down – Various : SUNDRY
9-down – Small green peas : PETITPOIS
13-down – State of being : DUDGEON
14-down – Planet – liquid metal : MERCURY
15-down – Gracefully slim : SVELTE
16-down – Evergreen shrub : MYRTLE
18-down – Danger : PERIL
20-down – County : DEVON
This crossword has in total 26 where 13 are across and 13 are down.