Advisory Panel on Emerging Contaminants Unregulated Chemical Contaminants APEC Update – September 27, 2013

Unregulated Chemical Contaminants Committee met on July 27, 2013 to finalize outline for White Paper Section assignments made

Unregulated Chemical Contaminants Section One. Introduction ◦ 1.1 Background of the APEC (Chemical) ◦ 1.2 Sources of Water ◦ 1.3 Water Use throughout State ◦ 1.4 Description of Urban Water Cycle ◦ 1.5 Exposure Pathways (drinking water, irrigation, etc.)

Unregulated Chemical Contaminants Section Two. Unregulated Chemical Contaminants Found in Arizona Waters ◦ 2.1 The List ◦ 2.2 Defining Emerging Contaminants ◦ 2.3 Where are they found in AZ? ◦ 2.4 Toxicity ◦ 2.5 Associated Compounds and Other Compounds of Interest ◦ 2.6 Current Research

Unregulated Chemical Contaminants List of Potential Contaminants for Study Estrone Bisphenol A EE2 (17a ethynylestradiol) 4-Octylphenol 4-Nonylphenol 2 Ibuprofen Triclosan Sucralose PFOS PFOA Iopromide Atrazine TCEP Benzotriazole TCPP Sulfamethoxazole Carbamazepine Fluoxetine Tonalide DEET This list is currently being utilized by the Arizona Laboratory on Emerging Contaminants. - List was generated based on screening criteria that was referenced in the report “Development of indicators and surrogates for chemical contaminant removal during wastewater treatment and reclamation” (WRF )

Unregulated Chemical Contaminants List of Potential Contaminants for Study ◦ Additional Contaminants of Possible Interest  Perchlorate  1,4-Dioxane  Hexavalent Chromium  1,2,3 – Trichloropropane (TCP)  N-Nitroso-dimethylamine (NDMA)  Others????

Unregulated Chemical Contaminants Section Three. Information & Recommendations for Utilities ◦ 3.1 Utility Efforts in Research ◦ 3.2 Current Treatment Technologies  Advanced Treatment Utilities ◦ 3.3 Sampling & Analysis ◦ 3.4 Laboratories

Unregulated Chemical Contaminants Section Four. Information & Recommendations for the Public ◦ 4.1 Quality over Quantity – Making Better Choices at Home and at Work ◦ 4.2 Point of Use Devices ◦ 4.3 Take Back Programs Section Five. Summary/Discussion

Unregulated Chemical Contaminants Next Steps… ◦ Committee is preparing drafts of each section of the white paper. ◦ Final Draft for Review by November 30, 2013 ◦ Discussion