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August 22, 9-10 a.m.
Treating PFAS Polluted Source Water from Cape Fear River - Two Case Studies Viraj DeSilva,Freese and Nichols Approved for 1.0 credit hour for Water, and PE Webinar Description: Residents of the Cape Fear region learned in 2017 that their drinking water source was polluted: The Chemours Company "https://www.northcarolinahealthnews.org/2021/09/08/wells-polluted-with-pfas-found-18-miles-from-chemours-chemical-plant/" Fayetteville Works Facility had been www.northcarolinahealthnews.org/2021/05/05/there-are-harmful-chemicals-in-north-carolinas-waterways-will-lawmakers-address-the-problem discharging PFAS, including href="https://www.northcarolinahealthnews.org,directly into the water "https://www.northcarolinahealthnews.org. Though Chemours now is prohibited from discharging PFAS-contaminated wastewater from its plant operations into the Cape Fear River, it is costing local governments and utilities millions of dollars to remedy the problem. Major improvements at water treatment plants (WTPs) operated by the Cape Fear Public Utility Authority and Brunswick County Public Utility show how agencies can tackle PFAS contamination to provide clean water for their customers. Cape Fear Public Utility Authority(CFPUA): Of the three water systems owned by the CFPUA, the highest PFAS levels have been found in emergency wells in the Sweeney System, which draws water from the Cape Fear River and serves about 80% of CFPUA customers. The wells with the most contamination were taken offline, and CFPUA is spending $43 million to add 8 new GAC filters at the Sweeney WTP to reduce GenX and other PFAS in the water. The utility examined GAC, IX and RO processes and determined that carbon filters worked best and are expected to reduce PFAS concentrations by an average of 90%. Brunswick County Public Utility: The utility is installing a low-pressure RO system at its Northwest WTP to remove PFAS from treated drinking water. The enhanced treatment is part of a $167.3 million expansion and upgrade project. The NCDEQ took significant action to prevent PFAS pollution entering the Cape Fear River by Chemours Fayetteville facility. This includes construction of a 1.5-mile-long subsurface barrier wall along with groundwater extraction wells and a treatment system that will remove over 99% of PFAS. These actions address more than 90% of the PFAS entering the Cape Fear River through groundwater from the residual contamination on the site. The presentation will reveal PFAS treatment techniques from that successfully implemented to remove PFAS compounds including Gen-X from Source water. How agency took measurer to eliminate future PFAS discharged to the environment. Utilize funding for the PFAS projects without using rate-payers money but from polluters. This presentation will help utility owners/operators understand: How treatment techniques can be successfully implemented to remove PFAS compounds, including Gen-X. How agencies took measures to eliminate future PFAS discharges to the environment How to use funding for PFAS projects by shifting costs to polluters instead of ratepayers.
Pricing: - Cost is $30 per attendee.
Webinar Information and Requirements: Webinar Technical Requirements - NC One Water will provide each attendee with the link to access the webinar and call-in audio instructions. NC One Water is not responsible for technical support before, during or after the webinar.
- Attendees must ensure that they have the needed equipment, that it is functioning, that it is compatible with the webinar system and that they know how to use it.
- Refunds will be handled according to NC One Water’s current seminar refund policy and will not be issued for attendees that experience technical or equipment failures during the webinar.
- NC One Water webinars are conducted using Zoom. It is highly recommended that you test your computers compatibility before planning to attend a webinar. How-to videos and additional Zoom resources can be found here: https://learn-zoom.us/show-me.
- To participate in the webinar, you must have access to a computer with an internet connection AND an audio connection (phone line or VOIP connection). It is recommended that you participate from a semi-private, quite location where there will be few distractions.
Webinar Continuing Education Units Requirements - Attendees must be on camera at all times during the presentation. Visibility and participation will be monitored. Failure to participate and be visible will result in no CEUs being given.
- Attendees must pre-register and provide a valid certification numbers issued by the NCWPCSOCC, NCWTFOB or NC Professional Engineers.
- Attendees must be logged in at the beginning and must remain logged in through the end of the session. Attendees must promptly respond to brief quizzes that appear randomly throughout the webinar.
- Each attendee must be logged into a separate computer so that their participation may be accurately tracked.
- No partial credit will be given.
- After the webinar, NC One Water staff will email CEU documentation/certificates to attendees meeting the CEU requirements. Reports will also be sent to the appropriate certification boards.
- NC One Water will report all cases of fraudulent attendance to the appropriate licensing boards.
- Inability to complete CEU requirements due to technical difficulties will result in no CEU’s being issued.
Contact Hours: - Water Treatment Facility Operators, Distribution Operators, Cross Connection/Backflow Operators: This seminar is approved for 1 contact hour for continuing education by the NCWTFOCB. Course ID: 230132.
- Professional Engineers: This course is approved for 1 PDH.
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