this subcourse. Please refer to this section for information on performing
steps for certification of the E6 process.
It is very important that
control strips be run and plotted regularly on the Y-55 Form in order to
maintain the quality of the chemistry and thus, your final product, the
This concludes lesson 4. Before going to lesson 5, complete the following
practice exercise. If you have any problems, refer to the page indicated in
the practice exercise answer key and feedback.