I feel that more and more ...

I feel that more and more power generation companies will be utilizing their own personnel (that are not highly trained in water treatment) for testing, and treatment adjustments, which means that more advanced systems approach is needed, that takes all complicated testing out of the loop is needed (at least for cooling water).  Other than that, Hach Company is one that offers some training courses several times a year, so that operators can be trained up to meet some of the minimum requirements, even nominally understand what the tests mean.