La. R.S. 30:2381.6

The parameters, equipment, and analytical methods along with any modeling or mapping software utilized for analysis of the monitoring data shall use the most current Environmental Protection Agency-approved or promulgated emission test or monitoring method. Analysis must be conducted through a laboratory approved by the Louisiana Environmental Laboratory Accreditation Program, known as LELAP, or include quality assurance certification of methods or equipment. Utilization of proprietary or not publicly available equipment or methods shall not be acceptable for community air monitoring programs.