LAC 43:XIX.541. Sampling and Testing Requirements for Commercial Facilities with Monitor Wells

A. At the discretion of or as determined by the commissioner, monitor wells may be required to be installed at any commercial facility or transfer station. B. Water samples from monitor wells shall be sampled by an independent professional consultant and analyzed by an independent testing laboratory. Samples shall be analyzed for pH, electrical conductivity (EC), chloride (C1), sodium (Na), total dissolved solids (TDS), total suspended solids (TSS), total petroleum hydrocarbons (TPH-ppm), total benzene, As, Ba, Cd, Cr, Cu, Pb, Hg, Mo, Ni, Se, Ag, and Zn. C. Water from newly constructed monitor wells on new commercial facilities shall be sampled and analyzed prior to receipt of E and P Waste by the facility to provide baseline data for the monitoring system. This data shall be submitted to the Office of Conservation to be made part of the facility's permanent file. D. Water from monitor wells on existing facilities shall be sampled and analyzed on a quarterly basis, with a copy of the analysis submitted to the Office of Conservation within 15 days of the end of each quarter.