Lynda If you consult the dermatological reference works there is quite a bit about ototoxins. Recently I produced the attached for a client to make them aware of this issue. Chris Chris Packham FRSPH, FIIRSM, FInstSMM, MCMI, MBICSc EnviroDerm Services Unit 10, Building 11, The Mews, Mitcheldean, GL17 0SN Tel: 01386 832 311 Mobile: 07818 035 898 ******************************** Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH