Environmental Compliance Assistance LLC (ECA) is a professional air quality compliance service that specializes in all Federal, State, and Local air quality laws and regulations. Located in Sacramento, CA, we represent clients from coast to coast. We offer a wide range of services including facility audits and inspections, emission inventories and reporting, modeling and health risk assessment, and permitting. Our team has over 25 years of experience in processing Air Quality Permit Applications and knows exactly what is required to obtain the required permits on the timeline that you need.