310 CMR 15.282
Types of Alternative Systems
Alternative systems proposed may include, but shall not be limited to, any of the following:
(1) humus or other composting toilets;
(2) alternative mounded systems (such as the "Wisconsin mound") designed to overcome
limiting site conditions;
(3) any system designed to chemically or mechanically aerate, filter, separate or pump the
liquid, semi-solid or solid constituents in the system; or
(4) any system designed specifically to reduce, convert, or remove nitrogenous compounds,
phosphorus, or pathogenic organisms (including bacteria and viruses) by biological, chemical,
or physical means.