Quality approved by:

• Hyper(formerly Acer/Atwell)Chesire UK
• Spectrum Lambs, Minnesota, USA
• Wrc Buckinghamshire, UK
• Clare Microbiological, Suffolk, UK.
• NSF Michigan, USA
• Loughbrough University, Leicestershire, UK
• University of Arizona, USA
• Thresh, Beale & Suckling, Birmingham UK
• Wrc Gwet, UK
• WRAS, UK
• Haffkine Institute for Training, Research & Testing. Bombay.
• St John's Medical College, Banglore
• Chief Water Analyst's Laboratory, Coimbatore
• State Committee of Science, Tecknology & Environment Project, Kerala
• Doctor's Diagnostic & Research Centre, Cochin