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Rodney Estrada [EH] <br /> From: Rick Griffin [rgriffin@sjgov.org] <br /> Sent: Monday, July 02, 2007 3:09 PM <br /> To: restrada@sjgov.org <br /> Subject: FW: ripon farm service <br /> Rodney, <br /> I mentioned this email to you awhile ago. There was no response to the referral, so there <br /> are no conditions from RWQCB. If you want to add any of the suggestions at the end of the <br /> memo, it would have to be done at the PC hearing. <br /> -----Original Message----- <br /> From: Amy Terrell [mailto:aterrell®waterboards.ca.gov] <br /> Sent: Tuesday, May 01, 2007 9:22 AM <br /> To: rgriffin®sjgov.org <br /> Subject: ripon farm service <br /> Rick, <br /> I am mortified to see that your fax dated 4/19/07 to Duncan regarding <br /> Application no. PA-0600609 just arrived at my desk. <br /> In this fax, you ask for conditions of approval that might alleviate <br /> some of the concerns and issues regarding the proposed new site location <br /> for Ripon Farm Service on French Camp Road at Hwy 120. Conditons of <br /> approval that could be considered are: <br /> 1. product handling occurs on paved surfaces <br /> 2. bulk dry product storage areas are on paved surfaces and protected <br /> from rain 3. bulk liquid storage (tanks) have secondary containment <br /> 4. on-site stormwater and washwater is contained on-site and disposed <br /> of or re-used in plant processes. <br /> these above conditions are probably standard. What might be added to <br /> address neighbors concerns about releases would be: <br /> 5. install three shallow monitoring wells and monitor groundwater <br /> quality quarterly for the first year to obtain baseline information on <br /> water quality (for fuel, nitrate, ammonium, total dissolved solids) , <br /> depth to water, and groundwater flow direction. Monitor bi-ennially <br /> after the first year. <br /> 6. If fuel, nitrate, or ammonium increase more than 50% above background <br /> conditions, or show a steady increasing trend for 2 consecutive <br /> monitoring events, the frequency of monitoring should increase to <br /> quarterly until the source of the increase can be identified, and if <br /> ameliorated, if the source is identified on-site. <br /> There is nothing sacred about this 50% above background conditions <br /> value. It could be 20% or somewhere in between. It needs to be high <br /> enough to be identified over the normal variation of sample values, but <br /> not so high that a problem isn't identified early on. It may depend <br /> more on how high the ambient concentration is. <br /> Please accept these only as suggestions. I am not wedded to them and <br /> there may be other means of achieving similar safeguards and early <br /> warning indicators. Feel free to call if I can clarify, interpret, or <br /> add more detail. <br /> Amy Terrell <br /> 1 <br />