1. (1) ANSI/NSF Standard 61 Certification.

   All interior surfaces and coatings shall comply with ANSI/NSF Standard 61 or other standards approved by the Director. This requirement applies to any pipes and fittings, protective materials (e.g., paints, coatings, concrete admixtures, concrete release agents, or concrete sealers), joining and sealing materials (e.g., adhesives, caulks, gaskets, primers and sealants) and mechanical devices (e.g., electrical wire, switches, sensors, valves, or submersible pumps) that may come into contact with the drinking water.

2. (2) Curing Procedures and Volatile Organic Compounds.

   1. (a) Proper curing procedures shall be followed per manufacturer's directions, including curing time, temperature, and forced air ventilation. Drinking water shall not be introduced into the tank until proper curing has occurred.
   2. (b) It shall be the responsibility of the water system to assure that no tastes, odors, toxins, or contaminantsthat result in MCL exceedances, are imparted to the water as a result of tank coating or repair.
   3. (c) Prior to placing a drinking water storage tank in service, cleaning, disinfection, and flushing procedures shall be completed.
   4. (d) Prior to placing a drinking water storage tank in service, an analysis for volatile organic compounds from water contained therein may be required to verify compliance with drinking water maximum contaminant levels.

KEY: drinking water, storage tanks, access, overflow and drains

Date of Last Change: November 10, 2014

Notice of Continuation: February 10, 2025

Authorizing, and Implemented or Interpreted Law: 19-4-104