California Code of Regulations
Title 27 - Environmental Protection
Division 2 - Solid Waste
Subdivision 1 - Consolidated Regulations for Treatment, Storage, Processing or Disposal of Solid Waste
Chapter 7 - Special Treatment, Storage, and Disposal Units
Subchapter 1 - Mining Waste Management
Article 1 - SWRCB-Mining Waste Management Regulations (C15: Article 7)
Table 1.1 - Summary of Requirements for New and Existing Mining Units
Universal Citation: 27 CA Code of Regs 1.1
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
| Type of Requirement | New Units | Existing Units | Exemptions |
| Siting | (1) Not on Holocene faults; (2) Outside of areas of rapid geologic change; (3) Peak streamflow protection as in Table 1.2 | Peak streamflow protection as in Table 1.2, as required by RWQCBs. | New Units may be sited in areas of rapid geologic change if containment structures designed and constructed to preclude failure. |
| Construction | (1) Liners or maximum natural permeability as in Table 1.2; | Precipitation and drainage controls. | (1) No liners or leachate collection and removal systems required for Group C Units. |
| (2) Leachate collection and removal system as in Table 1.3; | (2) New waste piles may be exempted from liners and leachate collection and | ||
| (3) Precipitation and drainage controls. | removal systems if it can be demonstrated that leachate will not form or escape--contingency plan required, and additional monitoring may be required. | ||
| Monitoring | (1) Ground water and surface water; | None. | |
| (2) Unsaturated zone monitoring as feasible. | |||
| Closure and Post-Closure Maintenance | Closed and maintained in accordance with § 22510. | None. |
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