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>a <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> ORDER NO. 8t?-1.31 �� <br /> WASTE DISCHARGE REQUIREMENTS <br /> FOR <br /> RMC LONESTAR <br /> UNCLASSIFIED LANDFILL <br /> SAN JOAQUIN COUNTY <br /> The California Regional Water Quality Control Board, Central Valley Region (hereafter Board) fords <br /> that: <br /> 1. RMC Lonestar (hereafter Discharger) submitted a Report of Waste Discharge, dated 3 <br /> December 1988. <br /> 2. The Report of Waste Discharge requests waste discharge requirements (WDRs) for an <br /> unclassified landfill. <br /> 3. The 548-acre RMC Lonestar, Kerlinger Plant, which is a sand/gravel operation, is between <br /> Tracy Boulevard and Mac Arthur Drive, south of the Western Pacific Railroad, south of the <br /> City of Tracy. It is owned by and operated by RMC Lonestar. Waste disposal activities are <br /> proposed for 5 acres of the facility. The facility is in Section 16, T3S, R5E, MDB&M, as <br /> shown on Attachment"A"which is incorporated herein and made part of this Order. <br /> 4. The waste management unit (WMU) consists of an excavated area approximately 55 feet deep <br /> and covering about 5-acres, as shown on Attachment "B" which is incorporated herein and <br /> made part of this Order. <br /> WASTES AND THEIR CLASSIFICATION <br /> 5. The Discharger proposes to discharge: broken and returned concrete from their concrete batch <br /> plants in the area; clean soil; asphaltic concrete from road repair operations and surplus from an <br /> on-site asphalt batch plant; and come back concrete slurry, which consists of silt and sand that <br /> remains after washing out concrete trucks at the end of the day. These wastes are classified as <br /> `inert waste' using the criteria set forth in Title 23, California Code of Regulations (CCR), <br /> Chapter 3, Subchapter 15 (hereafter Subchapter 15). <br /> DESCRIPTION OF THE SITE <br /> 6. Land within 1000 feet of the facility is used for an aggregate pit and asphalt and concrete batch <br /> plants. <br /> 7. The first water bearing formation is approximately 30 feet below the base of the WMU. <br /> 8. The beneficial uses of ground water are domestic, municipal, agricultural, and industrial <br /> supply. <br />