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Soil Reconstruction and Re-Soiling - To ensure successful reclamation and agricultural re-use, the following mitigation measures will be used. The soil from the AB horizon will be laid down first over the base material (reclamation plain) of the site. This layer will be tilled to mix the interface between the soil and the base material. The depth of the AB soil layer and the depth of tillage will be decided as the soil is laid in place and subsequently evaluated. The surface soil from thei Ap horizon will be placed over the AB layer and tilled to mix the interface of the two soils. The depth of the Ap soiI layer and the depth of tillage will be decided as the soil is laid in place and subsequently evaluated. The reconstructed surface soil may be - amended by the addition of compost or suitable organic material at the time of reconstruction. �- The type of material and the amount applied will be determined by a certified professional agronomist or soil scientist. The addition of organic material will enhance soil aggregation, improve aggregate stability, increase porosity as a function of aeration and water penetration, improve the soil nutrient level, and enhance the natural soil biota. The reconstructed soil will be planted to an appropriate crop. Monitoring Productivity of Reconstructed Soil The productivity of the reconstructed soil shall be evaluated by a program of annual soil testing and plant monitoring. Soil and plant monitoring may, however, occur more frequently if needed to support agronomic decisions related to best management practices for crop production. An annual report will be submitted to the County for a period of two years. Reclamation Goal: Reclamation will be considered "attained" when soil productivity has reached a level comparable to the productivity of the undisturbed soil prior to mining. Productivity will be determined by a test plot program on the undisturbed soil prior to mining. 7Z S In the event that the two-year monitoring period cannot demonstrate that the soils have been reclaimed, Brown Sand shall re-evaluate its soil reclamation plan and take necessary steps to ensure that the soils are reclaimed to optimum, practical, agricultural productivity. FLIMITATIONS , The information contained in this report was obtained from published literature, specific work at the site, work on similar sites, and from personal interviews. This report is intended to assist t Brown Sand, Inc. to obtain the necessary approvals and permits to expand aggregate mining at the Vernalis site. The validity of recommendations contained in this report are dependent upon i an adequate testing and observation program during any particular phase of soil conservation and/or reclamation. Our firm assumes no responsibility for reclamation compliance with the design concepts or recommendation unless we have been retained to perform on-site testing, monitoring, and review during all phases of soil conservation and reclamation. ■ ■ ■ ■ ■ F8 Report Rev.2-0620.95 G� AGRO ENVIRONMENTAL SERVICES • A Division of Condor Earth Technologies, Inc. Condor :.l