Methane Surface Emissions Monitoring

The County of Sacramento seeks a qualified firm to develop and execute methane surface emissions monitoring at unsafe‑to‑walk zones of the Kiefer Landfill using alternative technologies such as drones or robots, complying with CARB and federal regulations, and delivering GIS data, reports, and follow‑up recommendations. • Develop a monitoring plan and select appropriate alternative technology (UAS, robotic platforms, remote sensing). • Perform methane measurements meeting CARB Section 95471 requirements (≤30‑sec response, ±2 m accuracy, ≤5 ft spacing). • Identify and report exceedances (≥200 ppm or 50 ppm‑m) and coordinate follow‑up SEM. • Provide GIS‑compatible data, maps, raw/processed data, calibration records, and summary reports. • Submit cost proposal covering mobilization, monitoring, reporting, and optional follow‑up services.