To ensure that surface water quality is maintained, measurement and reporting of water quality parameters in key water bodies is carried out on a weekly basis. (talisonlithium.com)
For example, bettas have one very important water quality parameter that is rarely met. (petbusiness.com)
The field consists of gas - bearing zones in the near subsurface, poor general water quality parameters and discontinuous water - bearing zones.» (scientificamerican.com)