This crossword No. 12046 clues and answers were published on Tue 16 Dec 2008 and the puzzle can be visited by following The Guardian Quick Crossword No. 12046 link.
All Across Clues and Answers:
1-across – Clean and tidy : SPICKANDSPAN
9-across – Poem – verse – London theatre : LYRIC
10-across – Discharge : OUTFLOW
11-across – Temporary settlement : CAMP
12-across – Carbonate used as an antacid : MAGNESIA
14-across – Element discovered by the Curies : RADIUM
15-across – Accelerate : STEPUP
18-across – Buoyant ring to aid person in danger of drowning : LIFEBELT
20-across – Two together : BOTH
22-across – Sleep : SHUTEYE
23-across – Band of singers : CHOIR
24-across – Infectious disease producing rash : SCARLETFEVER
All Down Clues and Answers:
2-down – Form of ancient Egyptian royal tomb : PYRAMID
3-down – Rooster : COCK
4-down – Unconcerned with right and wrong : AMORAL
5-down – Cause to explode : DETONATE
6-down – People from Warsaw? : POLES
7-down – Northeast US state : NEWHAMPSHIRE
8-down – Method of inducing chemical change by passing current from anode to cathode : ELECTROLYSIS
13-down – Bar with weighted ends used in exercising : DUMBBELL
16-down – Put forward for consideration : PROPOSE
17-down – Even though : ALBEIT
19-down – Animal life of given region : FAUNA
21-down – Persistent dull pain : ACHE
This crossword has in total 24 where 12 are across and 12 are down.