Hi Nigel. You could try ...

Published October 8, 2015 08:43 by Daniel Fairweather, Willis - Divisional Director - Aquaculture

Hi Nigel. You could try contacting SAMS in the UK, or Defra in the UK. They test for a lot of bacteria loads etc. for the shellfish industry, so should be able to help. My contact at SAMS is Dr. Keith Davidson who deals with algal blooms, but should be able to point you in the right direction (for the UK at least). Hope this helps. Dan