California Code of Regulations
Title 23 - Waters
Division 3 - State Water Resources Control Board and Regional Water Quality Control Boards
Chapter 15 - Discharges of Hazardous Waste to Land
Article 2 - Waste Classification and Management
Table 2.1 - Summary of Waste Management Strategies for Discharges of Waste to Land
Universal Citation: 23 CA Code of Regs 2.1
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
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TABLE 2.1. SUMMARY OF WASTE MANAGEMENT STRATEGIES FOR DISCHARGES OF WASTE TO LAND1 |
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| Waste Category2, 3 | Waste Management Strategy Unit Class | Waste Management Unit Type | Primary Containment4 | Siting and Geologic Criteria5 | |||||||||
| Liquid Hazardous6 | Full Containment | I | Surface Impoundment | Double Liners7 | (a) Natural features capable of containing waste and leachate as backup to primary containment. | ||||||||
| Solid Hazardous6 | Full Containment | I | Landfill | Double Liners7 | |||||||||
| Dry Solid | Full Containment | I | Waste Pile | Double Liners7, 8 | (b) Not located in areas of unacceptable risk from Hazardous 6 geologic or environmental hazards. | ||||||||
| Hazardous6 | |||||||||||||
| Liquid Designated (including undewatered sludge) | Full Containment | II | Surface Impoundment | Double Liners7, 9 | (a) Natural features capable of containing waste and leachate may satisfy primary containment requirements. | ||||||||
| Solid Designated | Full Containment | II | Landfill | Single | |||||||||
| Dry Solid Designated | Full Containment | II | Waste Pile | Single Liner10, 11 | (b) May be located in most areas except high risk areas. | ||||||||
| Nonhazardous Solid Waste (including de-watered sludge and acceptable incinerator ash) | Protect Beneficial Uses | III | Landfill | None12 | (a) Consideration of factors listed in Subsection 2533(b)12 | ||||||||
| (b) May be located in most areas except high risk areas. | |||||||||||||
| 1 See Sec. 2510 for applicability to existing facilities. | |||||||||||||
| 2 Waste in any category may be discharged at waste management units with higher levels of containment ability. | |||||||||||||
| 3 Wastes suitable for land treatment in any category may be discharged at land treatment facilities. | |||||||||||||
| 4 See Article 4 of this subchapter. | |||||||||||||
| 5 See Article 3 of this subchapter. | |||||||||||||
| 6 Certain hazardous wastes may be discharged at Class II waste management units, see Sec. 2522(a)(2). | |||||||||||||
| 7 Leachate collection and removal system (LCRS) required. | |||||||||||||
| 8 Single liner may be acceptable, see Table 4.1. | |||||||||||||
| 9 Suitable natural features may satisfy requirements for outer liner where double liners are needed. Single replaceable clay liner (no LCRS) also acceptable. | |||||||||||||
| 10 Suitable natural features may satisfy primary containment requirement. | |||||||||||||
| 11 LCRS required as appropriate. | |||||||||||||
| 12 Units at sites not meeting sitting and geologic criteria must have a single liner and LCRS. | |||||||||||||
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