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WASTE DISCHARGE REQUIREM'�VTS GENERAL ORDER NO. R5-2008-014;5 10 IN-SITU GROUNDWATER REMEDIATION AT SITES IMPACTED BY VOLATILE ORGANIC COMPOUNDS, NITROGEN COMPOUNDS, PERCHLORATE, PESTICIDES, SEMI-VOLATILE COMPOUNDS, HEXAVALENT CHROMIUM AND/OR PETROLEUM HYDROCARBONS 1. The discharge of any amendment or other materials not specifically regulated by this Order is prohibited. These amendments and materials are those listed in the approved Work Plan required in A.2.b and the Notice of Applicablity, as listed above. 2. Creation of a pollution, contamination, or nuisance, as defined by Section 13050 of the California Water Code (CWC), is prohibited. 3. The discharge of amendments or wastes to surface water or surface water drainage courses is prohibited. 4. The discharge of amendments or wastes to land or groundwater in areas other than that proposed for remediation is prohibited. 5. 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 waste plume and owned by the Discharger and/or where the Discharger holds an agreement with the property owner for purposes of investigation and remediation. 6. The migration of any byproducts produced as part of the treatment process beyond the boundaries of the property owned or controlled by the discharger or to surface waters is prohibited. D. DISCHARGE SPECIFICATIONS 1 . 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. 2. The groundwater shall not be amended with materials other than those approved in the Notice of Applicability. 3. The Discharger will minimize the amount of amendments injected to the extent practicable. E. GROUNDWATER LIMITATIONS 1. The discharge shall not cause the pH of the groundwater at the compliance points, downgradient and outside the treatment zone, to shift outside the range of 6.5 to 8.5. 2. The release, injection, discharge or addition of constituents from a remediation system shall not cause the groundwater at the compliance wells listed in Table 1 of the Monitoring and Reporting Program attached to the Notice of Applicability, and any revisions thereto, to contain concentrations of chemical constituents, including the