SITE INFORMATION AND CORRESPONDENCE CASE 2

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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2003-0141 - 17- CALIFORNIA NATURAL PRODUCTS WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY using the methods described in Title 27, Section 20415(e)(10), and shall be based on data from at least four consecutive quarterly(or more frequent) groundwater monitoring events. For each monitoring parameter/constituent, the report shall compare measured concentrations for compliance monitoring wells with the calculated background concentration. If the Background Groundwater Quality Study Report shows that the wastewater discharge has impacted, or is likely to impact groundwater quality, then upon request by the Executive Officer the Discharger shall submit Groundwater Mitigation Plan which shall evaluate contaminant control alternatives, describe a preferred alternative, and proposed a timeline to meet the Groundwater Limitations of this Order. The selected contaminant control alternative must comply with State Water Resources Control Board Resolution No. 68-16 and be consistent with the most recent Basin Plan. 3. The Discharger shall comply with the Monitoring and Reporting Program No. R5-2003-0141, which is a part of this Order, and any revisions,thereto as ordered by the Executive Officer. 4. The Discharger shall comply with the"Standard Provisions and Reporting Requirements for Waste Discharge Requirements", dated 1 March 1991,which are attached hereto and by reference a part of this Order. This attachment and its individual paragraphs are commonly referenced as "Standard Provision(s)." 5. If the Groundwater Monitoring Report or monitoring data shows that wastewater application has impacted groundwater quality, then within 90 days of receiving notification from the Executive Officer, the Discharger shall submit a salinity reduction workplan, which identifies methods the Discharger will implement to reduce the dissolved solids loading of land application areas. Failure to reduce the dissolved solids loaded could result in reclassification of the wastewater as designated waste and/or result in a requirement to cease the discharge. 6. At least 90 days prior to termination or expiration of any lease, contract, or agreement involving the land application or landscaped areas used to justify the capacity authorized herein and assure compliance with this Order, the Discharger shall notify the Regional Board in writing of the situation and of what measures have been taken or are being taken to assure full compliance with this Order. 7. The Discharger shall submit to the Regional Board on or before each compliance report due date the specified document, or if appropriate, a written report detailing compliance or noncompliance with the specific scheduled date and task. If noncompliance is reported, then the Discharger shall state the reasons for noncompliance and shall provide a schedule to come into compliance. 8. The Discharger shall use the best practicable cost effective control technique(s) currently available to comply with discharge limits specified in this order.