The California Toxics Rule (CTR) provisions of the City of San Luis Obispo Water Reclamation’s Facilities National Pollutant Discharge Elimination...

(2021)

"Chlorine Dioxide: ...WSs and NTNCWSs must collect daily samples at the entry point to the distribution system and monthly samples in the distribution system. Utilities using chlorine dioxide may have to use granular activated carbon or a chemical reducing agent, such as sulfur dioxide, to remove or reduce the chlorite residual"

"Once a product is registered by the EPA it can only make claims for what it has been tested for... also true... can only be used per label directions for the applications on the label of the product. A disinfectant can also be considered a ‘broad spectrum’ disinfectant meaning it has been tested against all three categories of bacteria, fungi and viruses. Specific bacteria, fungi and viruses must be tested to make this claim." "Cleaners on the other hand are not regulated or tested by the EPA for product registration... The EPA does have a list of ingredients it approves for use as cleaners, so they do regulate some aspects of cleaners to ensure their safety" "At no time can a ‘cleaner’ ever use the word ‘removes biofilm’." "it comes down to wordsmithing and how well you can label your products to not use any phrases that EPA does not allow on non-registered products."It does not depend on the surface being cleaned (porous, non-porous, water lines etc.) but it depends on the label and if the product is making claims.""The end user would be in jeopardy if it is using a registered product off label or not as intended based on usage label directions that brought harm to its animals. " "When mislabeling of a product like that occurs the EPA always goes after the manufacturer or distributor selling the product and NOT the end user. " "It has been stated in presentations and articles over the last couple of years from some companies that ALL products used to clean water lines without animals present must be EPA registered. It has also been stated that if you use a product that is not EPA registered to clean lines without animals present that you are violating federal law and could be fined and even incur jail time if found guilty for these "crimes"...