No provision of this part and no rule, regulation, or ruling of the board or the director shall be construed to be a limitation:
(1) On the power of a municipality, county, authority, or special district to adopt and enforce additional regulations, not in conflict
with this part, imposing further conditions, restrictions, or limita-
tions with respect to the handling or disposal of municipal solid
waste;
(2) On the power of a municipality, county, authority, or special district to declare, prohibit, and abate nuisances;
(3) On the power of the Attorney General, at the request of the director or upon his own volition, to bring an action in the name of the
State of Georgia; or
(4) On the power of any state agency in the enforcement or administration of any provision of law it is specifically permitted or
required to enforce or administer.