Have you ever thought about who testing the testers? 

An important organisation you’ve never heard the National Association of Testing Authorities (NATA) has been "testing the testers" ensuring our roads are safe, the tap water is clean and blood tests are accurate.

Unfortunately, such a vital organisation that helps ensure the community's safety has a low public profile with most people never hearing of them before.

John Stanley chats to NATA chief executive Jennifer Evans to tell us more. 

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