Accu-Tab Chlorination System

Certifications and Approvals

The Accu-Tab® Tablet Chlorination:
Certified and Approved

The Accu-Tab® three-inch tablet and feeder system by Westlake Corporation is used worldwide and is fully certified and approved by the following organizations:

American Water Works Association (AWWA)

  • Accu-Tab SI meets the requirements of AWWA B-30

Canadian Food Inspection Agency (CFIA)


Health Canada

  • Registration #24052

NSF International

  • Standard 50 for Swimming Pool Equipment
  • Standard 60 and 61 for Drinking Water
  • Non-Food Compound #118098 for Accu-Tab SI tablets

Organic Materials Review Institute (OMRI) certifications

  • 2373 for and Crop Management Tools and Production Aids

U.S. Department of Agriculture (USDA) approved uses:
3D, D2, G4, G5, G7 and Q4 for SI tablets


U.S. Environmental Protection Agency (EPA)

  • Registration #748-295

Washington State Department of Agriculture (WSDA)
Approved for use in Certified Organic Process Handling and Materials


The Accu-Tab tablet chlorination system can solve nearly any water treatment need. View a list of common applications.