You must provide health surveillance when exposures are at or above the EAV and in
other circumstances where there is risk, for example, after diagnosis of HAVS and
exposure continues but below the EAV. Health surveillance can involve just a short set
of questions until, for example, signs or symptoms are reported. A health surveillance
scheme must include access to a competent occupational physician. Make sure that
your providers have the right qualifications and training and that you will