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<br />memo <br />DATE: October 15, 2021 <br />TO: Paul Palzer <br />Centerville Community Public Water Supply <br />FROM: Steve Robertson <br /> Supervisor, Source Water Protection Unit <br />SUBJECT: Statewide PFAS Monitoring Project <br />Below please find your system’s sampling results for the Statewide PFAS Monitoring Project. <br />Sampling was conducted on 8/31/21. <br />Sampling results <br />Sample location PFAS Contaminant detected Concentration ( /L) MDH Health Value <br />(/L) <br />Well #2 Entry Point PFBA 0.0059 7 <br />1 <br />PFBA was detected in the sample at a level of 0.0059 micrograms per liter (µg/L). This is below <br />the health-based guidance value of 7 µg/L. A person drinking water at or below the guidance <br />value would have little or no risk for health effects. <br />Perfluorobutyrate, or perfluorobutanoic acid, (PFBA) is one of a group of related chemicals <br />known as perfluorinated alkylated substances (PFAS). This group of chemicals is commonly used <br />in non-stick and stain-resistant consumer products, food packaging, fire-fighting foam, and <br />industrial processes. PFBA can bea breakdown product of other PFAS.PFBA moves easily <br />through the environment and is widely detected in groundwater, surface water and in nature. <br />PFBA is the most commonly detected PFAS in Minnesota waters. PFBA is commonly found in <br />drinking water at low levels. <br />For more information on PFBA, visit <br />https://www.health.state.mn.us/communities/environment/risk/docs/guidance/gw/pfbainfo.p <br />df <br />For more information on PFAS visit <br />https://www.health.state.mn.us/communities/environment/hazardous/topics/pfcs.html <br /> <br />1 <br /> One microgram per liter is the same as one part per billion (ppb). <br />1 <br /> <br />