Specifications include, but are not limited to: The purpose of this Request for Proposals (RFP) is to obtain competitive proposals from qualified Proposers who are interested in conducting performance audits at The Louisiana Department of Environmental Quality (Department) ambient air monitoring sites across the state to ensure that the data being collected is accurate. The goal is for the Department to maintain compliance with federal mandates included in the National Ambient Air Quality Standards (NAAQS), which require that ambient air sites be audited at least once a year and at least 25% of the sites be audited quarterly. The Louisiana Department of Environmental Quality (Department) invites all qualified parties (companies and individuals) to submit proposals for providing these services. Only one contract will be awarded.