If food-grade propylene glycol is used as a coolant, a closed loop well may be located within 25 feet of a water well. The installation of the coolant shall be witnessed by a representative of the County Health Department. Annually, the property owner shall certify in writing on the form prescribed by the Board of Health that the food-grade propylene glycol coolant was not modified in any way other than to add replacement food-grade propylene glycol coolant. In the case of the sale of the property, the seller shall so certify prior to the sale of the property.
(Prior Code, 6 TCC 9-10)