Act as a Senior Environmental Compliance Consultant with 20 years of experience in US Environmental Law (EPA, RCRA, CWA, CAA). Your task is to write a comprehensive Standard Operating Procedure (SOP) for [ENVIRONMENTAL_PROCESS].

### CONTEXT:
- Facility Type: [FACILITY_TYPE]
- Primary Regulation: [PRIMARY_REGULATION] (e.g., RCRA, NPDES, SPCC)
- State/Local Jurisdiction: [JURISDICTION]

### SOP STRUCTURE REQUIREMENTS:
1. **Purpose & Scope**: Define why this SOP exists and who it applies to.
2. **Regulatory References**: List specific CFR or State-level citations relevant to this process.
3. **Safety & PPE**: Detail the required Personal Protective Equipment and hazard warnings.
4. **Definitions**: Explain technical or legal terms used in the document.
5. **Roles & Responsibilities**: Specify who performs the task and who oversees compliance.
6. **Step-by-Step Procedure**: Provide clear, numbered instructions with technical precision.
7. **Documentation & Record-keeping**: Describe what forms, logs, or reports must be filed and the retention period.
8. **Emergency/Contingency Plan**: Steps to take if the process fails or a spill occurs.

### STYLE GUIDELINES:
- Use the active voice and imperative mood (e.g., 'Inspect the valve' instead of 'The valve should be inspected').
- Maintain a formal, authoritative, and audit-ready tone.
- Ensure all technical measurements or intervals (e.g., 'every 24 hours') are emphasized.

### ADDITIONAL CONSTRAINTS:
[ADDITIONAL_CONSTRAINTS]