What's Happening?
The California Air Resources Board (CARB) has adopted amendments to its methane emission regulations for municipal solid waste landfills, set to take effect on January 1, 2027. These amendments aim to enhance the detection and mitigation of methane emissions,
a significant contributor to climate change. The new rules require advanced monitoring techniques, including satellite-based detection, to identify elevated methane levels. CARB has also tightened the 'find and fix' protocols, mandating more frequent monitoring and quicker resolution of detected leaks. The amendments apply to active, inactive, and closed landfills, expanding the scope of compliance. The South Coast Air Quality Management District has expressed concerns over the compressed timeline for reviewing these amendments, highlighting potential challenges in implementation and enforcement.
Why It's Important?
The amendments are significant as they address methane emissions, a potent greenhouse gas, thereby contributing to California's climate change mitigation efforts. By enforcing stricter monitoring and quicker response times, the regulations aim to reduce the environmental impact of landfills. This move is expected to enhance public health and air quality by controlling co-pollutants associated with landfill gas. However, the implementation poses challenges for local air districts, which are responsible for enforcement. The increased workload and need for updated MOUs could strain resources, potentially leading to compliance bottlenecks. The transparency requirements also mean that landfill operators will face greater public scrutiny, impacting their operational strategies.
What's Next?
CARB plans to circulate additional amendments in a 15-day comment package to address concerns raised by industry stakeholders and local governments. This process will be followed by the adoption of these additions by the executive officer. The amendments aim to align timelines, recognize unique facility characteristics, and add flexibility for unforeseen circumstances. For landfill operators, the upcoming year will be crucial for preparing compliance strategies, including selecting monitoring methods and updating procedures. Engaging early with air districts and ensuring complete application submissions will be vital to avoid permitting delays and disputes.









