Persistence 06 : Resistance to degradation as measured by the period of time required for complete breakdown of a material. Depends on temperature, pH, soil type, light intensity, etc
EESiFlo North America, Terminology and Glossary: Water and Wastewater Terms, Pennsylvania, USA 2002. flowmeterdirectory.com/flowmeter_terminology, (Wtr and Wastewater - Amer) {559}