Notice of Proposed Rulemaking: |
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Notice of Proposed Rulemaking, Public Hearing (2 August 2023), and 45-day Notice Period to Consider Proposed Hexavalent Chromium MCL Regulations (from 16 June to 4 August 2023)
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6/16/23
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Initial Statement of Reasons (ISOR)
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5/4/23
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Text of Originally Proposed Regulations
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6/16/23
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Office of Administrative Law (OAL) Notice:
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Notice Register Index, OAL Notice No. Z2017-1003-07
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6/16/23
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California Regulatory Notice Register 2017, Volume No. 41-Z, pp. 1550-1556 |
6/16/23
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List of Materials and Documents Relied Upon
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Various
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Agilent Technologies, Inc. (2023). Signal, Noise, and Detection Limits in Mass Spectrometry.
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A.O. Smith. (2022). A.O. Smith Pro Residential Water Filtration Reverse Osmosis AOW-4000. Accessed January 24, 2022. |
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APS Water. (2022). Anion Resin – Purolite Brand: Weak Base – 1 cubic foot. Accessed September 27, 2022.
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Aqua Metrology Systems. (2021). City of Los Banos, California. Safeguard H2O Pilot Report.
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Blute, N.; Wu, X.; Imamura, G.; Song, Y.; Porter, K.; Cron, C.; Fong, L.; Froelich, D.; Abueg, R; Henrie, T.; Ramesh, S.; Vallejo, F. (2015a). Assessment of Ion Exchange, Adsorptive Media, and RCF for Cr(VI) Removal. Water Research Foundation: Web Report #4423.
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Blute, N.; Wu, X.; Cron, C.; Fong, L.; Froelich, D.; Abueg,R. (2015b). Microfiltration in the RCF Process forHexavalent Chromium Removal from Drinking Water. Water Research Foundation: Web Report #4365.
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Brondell. (2017). Owner’s Manual Circle Reverse Osmosis Water Filtration System Model # RC100. Accessed on January24, 2022.
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California Department of Human Resources. (2022). Pay Scales / Classification Salary for Water Resource Control Engineers.
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California Department of Tax and Fee Administration (CDTFA). (2022). California City & County Sales & Use Tax Rates.
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California Manufacturers and Technology Association & Solano County Taxpayers Association v. State Water Resources Control Board. (2017). Super. Ct., Sacramento County,Case No. 34-2015-80001850.
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California Manufacturers and Technology Association v. State Water Resources Control Board. (2021). 64 Cal.App.5th266, 278 Cal. Rptr. 3d 668.
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Crystal Quest. (2022). Anion Exchange Resin (per cubic foot). Accessed September 27, 2022.
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Engineering News Record (ENR). (2016). Construction Economics: ENR’s 20-city average cost indexes, wages,and material prices for March 2016. Engineering News Record.
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Engineering News Record (ENR). (2017). Construction Economics: ENR’s 20-city average cost indexes, wages,and material prices for December 2017. Engineering News Record.
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Engineering News Record (ENR). (2021). Construction Economics: ENR’s 20-city average cost indexes, wages,and material prices for September 2021. Engineering News Record.
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Engineering News Record (ENR). (2022). Construction Economics: ENR’s 20-city average cost indexes, wages,and material prices for June 2022. Engineering News Record.
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Exec. Order No. B-10-11. (September 19, 2011).
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Exec. Order No. N-15-19. (June 18, 2019).
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Federal Reserve Bank of Kansas City. (2022). Small Business C&I Lending Declines Year-Over-Year.
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FedEx. (2023). FedEx Retail Rates for Overnight Shipping.
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GE Appliances. (2019). Performance Data for the Drinking Water Systems GXRQ18NBN and GNRQ18NBN. Accessed January24, 2022.
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Ghabour, Miriam (2020). “Re: Cr6 Survey for DLR - Draft” Received by Eric Miguelino. December 2020.
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Ghabour, Miriam (2021). “Re: Cr6 – S/N ratios.” Received by Eric Miguelino. August 2021.
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Gumerman, R.C.; Culp, R.L.; Hansen, S.P. (1979). Estimating Water Treatment Costs: Volume 1 Summary. EPA-600/2-79-162a.
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Hausladen, D. M.; Alexander-Ozinskas, A.; McClain, C.; Fendorf, S. (2018). Hexavalent Chromium Sources and Distribution in California Groundwater. Environmental Science & Technology, 52(15), 8242–8251.
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Hazen and Sawyer (2013). Hexavalent Chromium Removal Research Project to the California Department of Public Health. City of Glendale Water & Power.
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Kahn, H.D.; Stralka, K. (2009). Estimated daily average per capita water ingestion by child and adult age categories based on USDA’s 1994–1996 and 1998 continuing survey of food intakes by individuals. Journal of Exposure Science & Environmental Epidemiology, 19(4),396–404.
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Kohler. (2019). KOHLER Aquifer RO K-22155 Performance Data Sheet. Accessed January 24, 2022.
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McNeill, L.S.; McLean, J.E.; Parks, J.L.; Edwards, M.A. (2012). Hexavalent chromium review, part 2: Chemistry, occurrence, and treatment. Journal - American Water Works Association, 104: E395-E405.
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Mohamed, A.M.O.; Maraqa, M.; Al Handhaly, J. (2005). Impact of land disposal of reject brine from desalination plants on soil and groundwater. Presented at the Conference on Desalination and the Environment, Santa Margherita, Italy, 22-26 May 2005. European Desalination Society.
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Najm, I.; Brown, N.P; Seo, E.; Gallagher, B.; Gramith, K.; Blute, N.; Wu, X.; Yoo, M.; Liang, S.; Maceiko, S.; Kader, S.; Lowry, J. (2014). Impact of Water Quality on Hexavalent Chromium Removal Efficiency and Cost. Web Report #4450.
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Najm, I.; Romero-Maraccini, O.; Maraccini, P. A.; Askenaizer, D.; Gallagher, B. (2017). Cost-Effective Cr(VI) Residuals Management Strategies. Web Report #4556.
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North Star Water Treatment Systems. (2016). Model NSRO42C4 Installation and Operation Manual. Accessed January 24, 2022.
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OEHHA. (2011). Public Health Goals for Chemicals in Drinking Water, Hexavalent Chromium, California Environmental Protection Agency, Office of Environmental Health Hazard Assessment, July 2011.
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Parks, J. L.; Mantha, A.; Edwards, M.; Kommineni, S.; Shim,Y.; Porter, K.; & Imamura, G. (2017). Bench-Scale Evaluation of Alternative Cr(VI) Removal Options for Small Systems (Project #4561). Water Research Foundation.
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Pierri, Agustin (2021). “Re: Cr6 MRLs.” Received by Eric Miguelino.
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Puronics Water Systems, Inc. (2019). Performance Data Sheet Model: Micromax 6500 TFC. Accessed January 27, 2023.
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Rad, S.A.M.; Mirbagheri, S.A.; Mohammadi, T. (2009). Using Reverse Osmosis Membrane for Chromium Removal from Aqueous Solution. World Academy of Science: Engineering and Technology 57.
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Seidel, C.J.; Najm, I.N.; Blute, N.K.; Corwin, C.J.; Wu, X.(2013). National and California treatment costs to comply with potential hexavalent chromium MCLs. Journal-AWWA, 105.
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Seidel, C.; Gorman, C.; Ghosh, A.; Dufour, T.; Mead, C.; Henderson, J.; Li, X.; Darby, J.; Green, P.; McNeill,L.; Clifford, D. (2014). Hexavalent Chromium Treatment with Strong Base Anion Exchange. Water Research Foundation: Web Report #4488.
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SWRCB. (2021a). 2021 Drinking Water Affordability Assessment, State Water Resources Control Board.
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SWCRB. (2021b). Safe Drinking Water Information System (SDWIS) database. State Water Resources Control Board. Accessed June 21, 2021 (note that this is a database that cannot be transmitted electronically; a printout of the data used can be provided).
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SWRCB. (2021c). Water Quality Information Replacement (WQIR) database. State Water Resources Control Board.Accessed July 27, 2021 (note that this is a database that cannot be transmitted electronically; a printout of the data used can be provided).
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SWRCB. (2021d). Residential Water Treatment Devices. State Water Resources Control Board. Accessed June 2021.
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SWRCB. (2021e). Peer Review Request, Peer Review, and Peer Review Responses for Best Available Technologies (BAT) for Hexavalent Chromium Treatment.
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SWRCB. (2021f). Notification of Assembly Bill (AB52) Consultation Opportunity, Pursuant to Public Resources Code Section 21080.3.1 for the State Water Resources Control Board Adoption of a Regulation for the Hexavalent Chromium Maximum Contaminant Level (Project).
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SWRCB. (2021g). Failing Water Systems: The Human Right to Water (HR2W) List Criteria.
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SWRCB. (2022a). 2022 Drinking Water Needs Assessment: Affordability Assessment. Attachment D1: 2022 Affordability Assessment Data and Results.
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SWCRB. (2022b). State of California Drinking Water State Revolving Fund Intended Use Plan: State Fiscal Year 2022-23.
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U.S. Bureau of Labor Statistics. (2020b). Occupational Employment and Wages, May 2020, 47-2111 Electricians.
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U.S. Bureau of Labor Statistics. (2020c). Occupational Employment and Wages, May 2020, 47-2515 Plumbers, Pipefitters, and Steamfitters.
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