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1 <br /> Brendan Kenny <br /> Engineering Geologist <br /> CVRWQCB R5s <br /> (916)464-4635 <br /> From: Brian.Silva@and.com <Brian.Silva@zhd.com> <br /> Sent: Monday, December 09, 2019 10:04 AM <br /> To: Kenny, Brenda n@Waterboards<Brendan.Kenny@waterboards.ca.eov> <br /> Subject: RE:CEMEX Kerlinger Aggregate Plan Well Repair Work Plan <br /> EXTERNAL: <br /> About the only thing I can think of is purging the well a few extra casing volumes each event. <br /> Brian Silva <br /> Project Manager <br /> GHD <br /> Proudly employee owned <br /> T: +1 530-387-5713 1 M: +1 916 919 0403 1 E: brian.silva(a)and.com <br /> 4080 Plaza Goldorado Circle Suite B Cameron Park CA 95682 USA I www.ohd.com <br /> Connect <br /> G tD Q 4 <br /> WATER I ENERGY&RESOURCES I ENVIRONMENT I PROPERTY&BUILDINGS I TRANSPORTATION <br /> Please consider our environment before printing this email <br /> From: Kenny, Brendan@Waterboards<Brendan.Ken ny@waterboards.ca.eov> <br /> Sent: Friday, December 06, 2019 12:38 PM <br /> To: Brian Silva <Brian.Silva@and.com> <br /> Cc: Kenny, Brendan @Waterboards<Brendan.Kennv@waterboards.ca.Rov> <br /> Subject: RE: CEMEX Kerlinger Aggregate Plan Well Repair Work Plan <br /> Good Morning Brian, <br /> I reviewed the Well Repair or Replacement Workplan for Well MW-3 and the previous Well Installation Report. I noticed <br /> that the existing well screen interval for MW-3 does not intersect the water table. This is a concern, as the MRP requires <br /> the groundwater to be analyzed for oil and grease,which may not be detected with a submerged well screen.So my <br /> question is: If the existing well is able to be repaired,can the sampling procedures be modified to ensure representative <br /> groundwater sample collection that will account for oil and grease on the water surface? <br /> Let me know your thoughts. <br /> Brendan <br /> Brendan Kenny <br /> Engineering Geologist <br /> CVRWQCB R5s <br /> (916)464-4635 <br /> 2 <br />