Breadcrumb Home Business guidance Running a food business Publications Inspection of shellfish purification systems: guidance for Local Food Authorities Published date: 1 July 2009 Guidance_Document (3) PDF | 374KB Did you find this helpful? We would love to hear from you. Yes No Your feedback Submit feedback Thank you for your feedback! If you like you can share this page with others: Share on Facebook Share on Instagram Share on X (formerly Twitter) Share on LinkedIn Share via Email Copy Page Link