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
