Premium
What's CT and How Do I Calculate It for My System?
Author(s) -
Wu Mary S.
Publication year - 1995
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1995.tb00984.x
Subject(s) - promulgation , disinfectant , affect (linguistics) , product (mathematics) , medicine , nuclear medicine , mathematics , philosophy , political science , law , linguistics , geometry , pathology
The question, “What is CT?” has been asked since the promulgation of the Surface Water Treatment Rule (SWTR) in 1989. Simply, CT is disinfectant contact time, which is the product of C multiplied by T. This article answers the following questions: What factors affect CT? How do I calculate CT? and What are your options?