Have you tried the various recruitment agencys' salary surveys although I certainly would not take these as totally authoritative in my own experience...
Salary for Clinical Research Associate: [broken link removed] Also Clinical Scientists in Irish hospitals paid on Physicist scale: www.dohc.ie/publications/pdf/salary_scales_june2006.pdf (with 3% increase from 01/12/06 and 2% increase from 01/06/07)