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l ) <br /> Table 2 <br /> Performance Monitoring Plan <br /> Former Source Area Injection Work Plan <br /> Lincoln Center <br /> Stockton, California <br /> Constituent or Parameter Method MIV-006A, MW-130A-U, NW-130A-L, MIY-131A-U, MIV- <br /> 131A-L, CHMI14-005A, PT-8, and PT-11 <br /> VOCs EPA 8260B <br /> Q Samples will be collected weekly for 4 weeks after injections <br /> Hexavalent Chromium EPA 7196, 7199 and monthly thereafter for two quarters. <br /> Permanganate SM 4500-KMnO4 <br /> Dissolved Iron EPA 6020/200.8 <br /> Dissolved Manganese EPA 6020/200.8 <br /> m <br /> Total Chromium EPA 6020/200.8 Samples will be collected monthly for two quarters <br /> Total Potassium EPA 6020/200.8 <br /> Total Dissolved Solids EPA 160.1 <br /> Groundwater Parameters t Field Measurements Samples will be collected weekly for 4 weeks after injections <br /> and monthly thereafter for two quarters. <br /> Notes: <br /> Pre-injection baseline samples will be collected for Suite A and Suite B constituents and groundwater parameters <br /> t Groundwater parameters include oxidation-reduction potential,electrical conductivity,pH,temperature, and dissolved oxygen.Visual or olfactory <br /> observations including groundwater color(i.e. clear,pink,purple,light brown)and odor will be noted and recorded. Field colorimeter testing for <br /> KMn04 will be conducted. <br /> Geosyntec Consultants,Inc. <br /> 6252019 <br /> 1 of <br />