International Ozone Association

Pan American Group (PAG) 

Guidance Manuals and Documents

The following links are provided to websites to find guidance related to the proper use of ozone.

Ozone Design

The purpose of these standards is to assist with the design, procurement, installation, and commissioning of ozone systems.

  1. AWWA F120-18 Ozone Systems for Water
  2. AWWA B304-13 Liquid Oxygen for Ozone Generation for Water, Wastewater, and Reclaimed Water Systems

Drinking Water Disinfection

Ozone CT guidelines for disinfection credit have been published by the United States Environmental Protection Agency (USEPA) for given pH and temperature conditions.

  1. Virus/Giardia - USEPA Surface Water Treatment Rule - Guidance Manual (Appendix O); 1991.
  2. Cryptosporidium - USEPA Long Term 2 Enhanced Surface Water Treatment Rule - Toolbox Guidance Manual (Chapter 11); 2010.

Bromate Formation

In bromide-containing waters, bromate is a known disinfection byproduct of the ozone process.  Bromate is suspected human carcinogen and regulated with a maximum contaminant level of 10 ug/L by USEPA and Health Canada.

  1. USEPA - Stage 1 Disinfectants and Disinfection Byproducts Rule; 1998. 
  2. Health Canada - Guidelines for Canadian Drinking Water Quality; 1998.
  3. World Health Organization (WHO) - Guidelines for Drinking Water Quality; 2005.
  4. USEPA - Toxicological Review of Bromate; 2001 
  5. USEPA - Health Risk Assessment; 1998

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