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i <br /> For Well MW-1 R,we were air knifing around the well yesterday and encountered pea gravel and what appears <br /> to be an old fuel pipe run at 3 feet below grade. We are close to the USTs in this area and issued a stop work <br /> and backfilled the location for discussion and evaluation internally and now would like to elevate to your <br /> consideration and discussion as a key.stakeholder. After reviewing the as-builts for the Chevron station with the <br /> station manager,we are confident that the existing fuel lines are located 10 feet away. However, there is <br /> potential unknown here that we could encounter other lines as we advance air knife to 6.5 feet. While air <br /> knifing is a soft dig approach, there would still be a risk proceeding to encounter additional fuel lines either <br /> being abandoned or in use.Given we are at site closure well abandonment,we thought we should talk to you <br /> on how far we want to go here on this location to overdrill or reconsider and just pressure grout following the <br /> county regulations with mushroom cap beyond the diameter of the 6" well hole to ensure.we don't encounter <br /> any addition fuel lines. <br /> Lastly, for Well V-12,we are 17 inches away from a one foot buried electrical line. We are scheduled to perform <br /> lock out tag out and overdrill, but would like to ask one more time if we can convert this one to pressure grout <br /> following the county regulations instead and not take the risk of spinning augers near an electrical line. <br /> Could you look these over and give me a call at 916-384-0710 to discuss? <br /> Thank you for your consideration. <br /> Brian <br /> 3 <br /> f <br />