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1, 000 gallons. The propogation period per tank requires three (3) hours of mixing. At the end of that three hour period the batch solution will be placed into the borings/wells through a series of hoses via gravity one boring at a time. Approximately one hundred ninety (190) gallons of water per boring would be applied throughout the remediation process. The rate would be determined by ' the ability of the soil to accept the intrusion of water application, but would be approximately every three hours, in order to accomplish the per day goal of a total of approximately 1,500 gallons per day maximum. The exact placement methodology will occur from the downgradient side of the plume to the upgradient and from the outside of the contaminant plume inward. This is standard protocol to impede any additional migration of the contaminant ' plume. The tank size is in direct proportion to the number of borings available at the site as well as the permeability of the soils present within the contaminant plume. A slug test will be conducted when the borings/wells are ' actually placed into the contaminant plume. This test will confirm the expected flow rate possible at this facility and tank size. More specifically, batch solutions will total approximately 1, 500 gallons per day maximum. Based on previously defined sandy soil conditions, these batches will be divided into three equal parts utilizing the 500 gallon tank. Placement times of the culture batch would be approximately every three hours, in order, to accomplish the per day goal of 1,500 gallons. The exact depth of placement would be based upon the length of the borings. The primary grid pattern extends to 5 feet. The secondary grid pattern extends to 10 feet. Placement would occur throughout the borings, one boring at a time. Bioremediation Phases: 1. Site Review — for hydrogeology/soil conditions. 2. Bioremediation Boring/Well Placement — to include slug test. ' 3. Free product Removal (if any) . t4. Bioremediation Culture Propogation. 5. Bioremediation Culture Placement. ' 6. Establishment of PID Monitoring Baseline. 7. PID weekly field monitoring of the borings/wells. ' 8. Final Sample Collection Laboratory Analysis. 9. Closure Report. 10. PH5 EHD and CWQCB Closure. tThe advantage to the augmented in situ subsurface bioremediation process is that the batch solution is able to duplicate the path the contaminant followed during the creation of the contaminant plume, i. e. the cultures follow the specific path the petroleum hydrocarbons have migrated. Not only are the cultures able to degrade subsurface soil contamination, but they are also able to degrade ' 12