Dr Anne Woolridge and Dave Wiltshire (Senior Consultant in trade effluent quality at Thames Water Utilities Ltd) have published a paper in the CIWM journal on the why it is important to dispose of pharmaceutical wastes correctly and why the rinsing of medicine bottles can cause problems further down the line.  The article should be made accessible on the CIWM website as a PDF under publications www.ciwm.co.uk .

Should you not be able to access this, please do get in touch.