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0 0 Page 1 of 3 <br /> Natalia Subbotnikova [ H] <br /> From: Yekta, Gino [Gino.Yekta@CaIRecycle.ca.gov] <br /> Sent: Wednesday, February 22, 2012 1:29 PM <br /> To: Robert McClellon [EH] <br /> Cc: Natalia Subbotnikova [EH]; Wochnick, Michael; mcarroll@sjgov.org <br /> Subject: RE: Gas Probe Modifications-answers to questions <br /> Calrecycle has reviewed the responses provided by the Operator and would like to provide you with the following <br /> based on our review of the responses. <br /> CalRecycle does not recommend the design change proposal by the Operator because: <br /> 1. Our procedures do not contain "purging"of compliance wells (regardless of what has been stated by the <br /> Operator, they are purging the probes) <br /> 2. Tygon/Teflon/polyethylene tubing can potentially be impacted by the atmosphere created within the wells. <br /> With that said, since our procedures are just that, "procedures", and not contained in regulations, and that we <br /> understand there are other procedures used to monitor for gas,we will not object to the request by the Operator as <br /> long as: <br /> 1. The monitoring is not compromised as a result of the new design change <br /> 2. Certification from the Operator/consultant that the new design will function the same way as the original <br /> design. <br /> 3. If issues discovered with the new design, the Operator will immediately change to the original design, <br /> Please call (916-341-6354)or e-mail me if you have any questions. Thanks....................Gino <br /> From: Yekta, Gino <br /> Sent: Tuesday, February 07, 2012 4:19 PM <br /> To: Robert McClellon [EH] <br /> Cc: Natalia Subbotnikova [EH]; Wochnick, Michael; mcarroll@sjgov.org <br /> Subject: RE: Gas Probe Modifications - answers to questions <br /> I'll review the responses and will get back to you. <br /> From: Robert McClellon [EH] [RMcClellon@sjcehd.com] <br /> Sent: Tuesday, February 07, 2012 4:01 PM <br /> To: Yekta, Gino <br /> Cc: Natalia Subbotnikova [EH] <br /> Subject: FW: Gas Probe Modifications -answers to questions <br /> Gino, see below for the response from County Public Works Dept. Please let us know if they address your <br /> concerns adequately. Robert <br /> Robert McClellon,Program Coordinator REHS <br /> Environmental Health Department <br /> 600 E.Main Street <br /> Stockton,CA 95202 <br /> (209)468-0332 <br /> 2/22/2012 <br />