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WASTE DISCHARGE REQUIREMENTS GENERAL ORDER NO. R5-2015-0012 11 IN-SITU GROUNDWATER REMEDIATION AND DISCHARGE OF TREATED GROUNDWATER TO LAND The discharge of amendments to land or groundwater in areas other than that proposed for remediation is prohibited. Discharge of waste classified as 'hazardous' under Section 2521, Chapter 15 of Title 23 or 'designated', as defined in Section 13173 of California Water Code is prohibited. The discharge of amendments to property that is not under the control of the Discharger is prohibited. The "area under the control" of the Discharger is considered to be at the horizontal borders of the application area and owned by the Discharger and/or where the Discharger holds an agreement with the property owner for purposes of investigation and remediation. If background groundwater contains concentrations of a constituent found in the amendment, above its WOO as listed in Finding 18, then the concentration of the consituent in the amendment as added cannot be greater than its WOO. D. DISCHARGE SPECIFICATIONS The Discharger shall not inject any amendments into the aquifer prior to receiving the Notice of Applicability nor prior to the construction of all necessary monitor wells listed in the Monitoring and Reporting Progam. The groundwater shall not be amended with materials other than those approved in the Notice of Applicability. The Discharger will minimize the amount of amendments injected to the extent practicable. E. GROUNDWATER DISCHARGE SPECIFICATIONS The discharge from a groundwater treatment plant shall be only to those locations shown on Attachment E as provided with each individual Notice of Applicability. The discharge flow from the groundwater treatment system shall not exceed that specified in the Notice of Applicablility. In the cases where treated or amended groundwater is recirculated back into the contaminant plume as part of in-situ treatment, non-target pollutants in the injectant must meet the limitations in Table 1 below or background concentrations as determined under Monitoring and Reporting Program R5-2015-0012. In the cases where treated groundwater as part of a groundwater extraction and treatment system is discharged, or as part of an in-situ treatment project discharge outside of the plume, then the discharge shall not contain pollutants, for which the