PART 2 -GETTING IT RIGHT--MAKE TESTING COUNT BY USING A QUALITY SYSTEM APPROACH---COLORIMETRIC...

[Daniel@R2R]

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[Quietman]

Very nicely explained and excellent overview of solid test procedures.

I found my biggest help was comparing what the test results in the directions said to a water sample with known values. When I read, "titrate until color starts to change" I can test a known sample and really focus on what "color change" means at the value expected. Found most of my test kits became more consistent.