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4.Environmental Analysis — compacted,hazards related to adverse effects of settlement are not anticipated and earthquake- induced settlement is not discussed further in this chapter. Regulatory Background — Mine Safety and Health Administration Mine Safety and Health Administration (MSHA),a division of the U.S. Department of Labor, — administers the provisions of the Federal Mine Safety and Health Act of 1977. MSHA develops and enforces mandatory safety and health regulations pursuant to the Code of Federal Regulations — (CFR)30 that apply to all surface and underground mines located in the U.S. through inspections, rigorous training, and providing educational programs for employers and employees in the mining industry. The ultimate purpose is to eliminate fatal accidents, reduce the frequency and — severity of nonfatal accidents, minimize health hazards,and promote improved safety and health conditions in mines of the United States. Project operations would be regulated by MSHA,and periodic inspections would be performed under MSHA regulations to ensure maximum worker — safety during project operation. The proposed RMC Pacific Vernalis Quarry would be subject to periodic safety inspections by MSHA. SMARA and San Joaquin County SMARA,enacted by the California Legislature,addresses the need for continuous supplies of — resources,acts to minimize adverse effects of mineral resource extraction operations, and encourages conservation and production of minerals while giving consideration to values relating to recreation, watershed, wildlife, open space, and aesthetic enjoyment. The Department of — Conservation's Office of Mine Reclamation(OMR) and the State Mining and Geology Board (SMGB)ensure proper administration of the SMARA's requirements. Compliance with Chapter 9-1415 of the San Joaquin County Development Title,Ordinance for Quarry Excavations — (Quarry Excavation Standards) is San Joaquin County's regulatory mechanism for implementation of SMARA. In accordance with San Joaquin County requirements and SMARA, the Mining and Reclamation Plan will be subject to review and approval by the County of San Joaquin and includes review by the SMGB for consistency with SMARA. The plan is subject to modifications by the mine — operator in response to unexpected conditions provided that those modifications are properly permitted by the appropriate regulatory agency. — San Joaquin County Quarry Excavation Standards Applicable development standards applicable to geology, soils and seismicity as set forth in Chapter 9-1415.3 of the San Joaquin County Development Title, Ordinance for Quarry Excavations are: (d) Erosion Control. Protective vegetative planting, silt screen dams, or other approved methods shall be required where necessary for the control of erosion. An erosion and sediment control plan approved by Development Services Division shall be part of the — reclamation plan. RMC Pacific Vernalis Quarry Mining and Reclamation Project 4.7-12 ESA/203015 Draft Environmental Impact Report May 2006