CARB staff will conduct air monitoring using methods described in this document. These data will be used to perform an initial analysis to identify the major sources impacting air quality in Lost Hills. Source attribution analysis will be performed using CARB’s recommended source attribution approaches as described in CARB’s Community Air Protection Program Resource Center3. Where appropriate, the Office of Environmental Health Hazard Assessment (OEHHA) will perform a health risk assessment using data collected via stationary monitoring. Results and findings may be used by CARB staff to inform program rules and regulations.