Air Tests
The Airforce1 guys do it (the boys with the big red truck at the Series 2002 events) I think it costs £32 including postage to get them tested, Heres the e mail they sent me:
If you send cyl to us at
H-PAC SERVICES LTD
UNIT 1 OLD DOMINION EST
WITHY ROAD
BILSTON
WEST MIDLANDS
WV 14 0 RX
We use jiffy bags from post office, they also insure any parcels sent, we
return by parcel force insured carraige 24 hr service.
Cost of test and carraige is
£20 for test
£7.75 carraige
ex vat with vat comes to £32.60 turnaround 5-7 days
regards
Trevor
Hope this helps