A modification to Section 716 (Pipe Bursting Replacement of Building Drains) states that the section on replacement of building sewers by pipe-bursting methods has been expanded to include replacement of underground building drains.
Plumbing, Mechanical, Fuel Gas, Pools/Spas
Potassium monopersulfate is a white, granular, free-ﬂowing peroxygen that provides powerful non-chlorine oxidation for a wide variety of uses. It is the active ingredient in most non-chlorine oxidizers used for pool and spa/hot tub oxidation.
Biguanide, or more speciﬁcally polyhexamethylene biguanide, is a swimming pool and spa water sanitizer used as an alternative sanitizer in place of chlorine or bromine.