What are Screening Limits and where do they come from?

17 Jul 14

A Screening Limit refers to the minimum amount of substance that the analytical laboratory’s machines are set to detect.  Screening Limits are decided taking in to account a variety of factors including a consideration of the risk to horseracing’s integrity, as well as the scientific information on levels at which the drug has no effect. Screening Limits are not changed without informing stakeholder representative bodies.