- A. Drinking water treatment units shall meet the requirements of NSF 42 and 53. Units are designed to be used for the reduction of specific contaminates from potable drinking water, such contaminants being considered as potential health hazards or affecting the aesthetic quality characteristics of potable drinking water.
- B. Reverse osmosis drinking water treatment systems shall meet the requirements of NSF 58. Systems are designed to be used for the reduction of specific contaminates from potable drinking water supplies considered to be microbiologically safe and of known quality (except that claims for the reduction of filterable cysts may be permitted). Systems covered by this standard are intended for reduction of total dissolved solids (TDS) and other contaminants specified therein.
- C. Waste and discharge from reverse osmosis or other types of water treatment units shall enter the drainage system through an air gap (drainage system).
Authority Note
AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(7) and R.S. 40:5(2)(3)(7)(9)(16)(17)(20).
Historical Note
HISTORICAL NOTE: Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 38:2846 (November 2012).