The following activities shall be prohibited at any mine:
(A) The use of any excavation or mining process that injects, applies or uses any chemical or toxic substance, unless expressly permitted in the mining permit. Approval with potential conditions shall be based on:
(1) Amount of toxic material being stored and used on site;
(2) Location and security of the storage of the toxic material;
(3) Level of toxicity of the material based on material safety data sheets (MSDS1); and
(4) Proposed use of the material and its potential short- and long-term nuisance to neighboring properties as well as to the local environment and to the public health welfare and safety.
(B) The use of any excavation or mining process that includes hydraulic dredging or similar process or method;
(C) The use or application of any flocculants or chemical to wash or process excavated and mined industrial minerals at a mining site unless processing is allowed per § 158.041 of this chapter; and
(D) The use or placement of previously mined, processed and/or contaminated sand as fill material or reusing that sand at the mining site.
(Prior Code, § 345.06)