The EPA is similar with regard to registered pesticide products added as chemicals, but they do not require registration of saltwater chlorine generators (though do require registration of the establishment/facility) and only more recently (since 2008) required registration of ionization systems (see
this link and
this link) though it is again primarily through registration of the establishment/facility. One can look up registered products or establishments in the
PPIS system. You can see that
Argenia Systems has an EPA establishment (company) number and there are no "products" because that database only lists chemical products, not devices manufactured by a company or at a facility.
There is also separate 3rd party certification via
NSF Standard 50 though that is optional and not required by law.
However, the EPA only registers copper/silver ionization devices as producing a pesticide and that includes algaecides and that is not the same thing as passing
EPA DIS/TSS-12 to be called a swimming pool disinfectant. So such copper/silver ionization systems cannot make any pesticidal claims such as "kills bacteria" unless used in conjunction with an EPA-approved disinfectant such as chlorine. It's only the copper/silver products or ionization companies that tout chlorine-free and make pesticidal claims that would be in violation of FIFRA rules. This happened with Pristine Blue® as I noted in
this post and the one following it. They can only claim to "control algae and nonpublic health bacteria" and have to qualify with an asterisk as with "algicide and bactericide*" "*Nonpublic Health Bacteria" which reflects the fact that these products do not kill fecal bacteria (that is what is meant by public health bacteria).
