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DocuSign Envelope ID:BAABBI5D-EE30-4062-9251-02EDF4800D39 CEQA Project SCH #2018072052 August 13, 2018 Page 2 For future reference, you can review wefts located on private and public land at the Division's website: https://secure.conservation.ca.govM✓ellSearch. If during the course of development of this proposed parcel subdivision any unknown well(s) is discovered, the Division should be notified immediately so that the newly discovered well(s) can be incorporated into the records and investigated.The Division recommends that any wells found in the course of this project and any pertinent information obtained after the issuance of this letter, be communicated to the appropriate county recorder for inclusion in the title information of the subject real property. This is to ensure that present and future property owners are aware of(1) the wells located on the property, and (2) potentially significant issues associated with any improvements near oil, gas, or geothermal wells. The local permitting agency and property owner should be aware of, and fully understand, that significant and potentially dangerous issues may be associated with development near oil and gas wells. These issues are non-exhaustively identified in the following comments, and are provided by the Division for consideration by the local permitting agency, in conjunction with the property owner and/or developer, on a parcel-by-parcel or well-by-well basis. As stated above, the Division provides the above well review information solely to facilitate decisions made by the local permitting agency regarding potential development near a gas well. 1. It is recommended that access to a well located on the property be maintained in the event re-abandonment of the well becomes necessary in the future. Impeding access to a well could result in the need to remove any structure or obstacle that prevents or impedes access. This includes, but is not limited to, buildings, housing,fencing, landscaping, trees, pools, patios, sidewalks, and decking. 2. Nothing guarantees that a well abandoned to current standards will not start leaking oil, gas, and/or water in the future. It always remains a possibility that any well may start to leak oil, gas, and/or water after abandonment, no matter how thoroughly the well was plugged and abandoned. The Division acknowledges that wells abandoned to current standards have a lower probability of leaking oil, gas, and/or water in the future, but makes no guarantees as to the adequacy of this well's abandonment or the potential need for future re-abandonment. 3. Based on comments 1 and 2 above, the Division makes the following general recommendations: a. Maintain physical access to this gas well. b. Ensure that the abandonment of gas wells is to current standards. If the local permitting agency, property owner, and/or developer chooses not to follow recommendation "b" for a well located on the development site property, the Division believes that the importance of following recommendation "a" for the well located on the subject property increases. If recommendation "a"cannot be followed for the well located on the subject property, then the Division advises the local permitting agency, property owner, and/or developer to consider any and all alternatives to proposed construction or development on the site (see comment 4 below).