Section 30:2587 - Water and wastewater system use prohibitionA. On and after August 1, 2006, no person shall install a mercury switch or mercury containing device in any drinking water system or waste water system including, but not limited to level indicators, float switches, pump control, and pressure sensing systems.B. On and after July 1, 2009, all mercury devices shall be removed from drinking water systems or wastewater systems where the installed switch may release mercury into the water, if damaged, broken or otherwise malfunctions. Mercury-added devices external to drinking water and wastewater systems are exempted from this provision.C. Owners and operators of drinking water and wastewater management facilities shall implement the following mechanisms:(1) Posting of signs at the facility providing notice of the prohibition of the introduction of mercury-added products at the facility.(2) Development of written purchasing procedure to prohibit the purchasing of mercury or mercury containing products that will risk the introduction of mercury into drinking or waste waters.Acts 2006, No. 126, §1, eff. June 2, 2006.Acts 2006, No. 126, §1, eff. 6/2/2006.