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Foothill Landfill Page 1 of 2 <br />Garrett T. Backus [EH] <br />From: Michael Carroll [mcarroll@sjgov.org] <br />Sent: Wednesday, April 12, 2006 8:01 AM <br />To: Garrett T. Backus [EH] <br />Cc: James Moore; Dan Johnson <br />Subject: RE: Foothill Landfill <br />Hi Garrett, <br />We will be handling the LFG condensate along with the leachate, which is one good thing in our WDRs. Part of <br />the LFG header will drain to a sump, which will be pumped either to the condensate tank or into the LCRS <br />system. You can probably see the connections on the drawings GC -2, -7, and -8. Note that the condensate will <br />pDly go where the leachate can go — over certified Title 27/RCRA liner. At Foothill, for now, this is Module 1 only. <br />FYI, I try to get Jesse to return the leachate (with or without condensate) to the refuse, rather than spraying it on <br />the surface over Module 1. Spraying isn't prohibited, but we should try to conserve as much moisture within our <br />relatively dry refuse as possible, to encourage degradation. Note that we don't add any water, we just return the <br />leachate that reaches the sump to higher, dryer refuse over the liner. <br />Hope that answers your question. Feel free to call with any more. <br />Regards, <br />Mike <br />W. Michael Carroll, PE <br />Senior Civil Engineer, Solid Waste Division <br />1810 E. Hazelton Ave. <br />Stockton, CA 95205 <br />Voice: 209-468-8504 <br />Fax: 209-468-3078 <br />-----Original Message ----- <br />From: Garrett T. Backus [EH] [mailto:gbackus@sjcehd.com] <br />Sent: Tuesday, April 11, 2006 3:30 PM <br />To: Michael Carroll <br />Subject: Foothill Landfill <br />Hi Mike, <br />I'm taking a look at the Foothill Gas Extraction System Specifications. How will the gas system <br />condensate be handled? Will the condensate collect in the sump, be pumped out and sprayed on the <br />landfill? <br />Thx, <br />Garrett Backus <br />Registered Environmental Health Specialist <br />San Joaquin County Environmental Health Dept. <br />gbackus@sjcehd.com <br />voice: (209) 468-2986 <br />4/12/2006 <br />