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MOUNTAIN HOUSE NEIGHBORHOODS I AND J INML STUDY APPENDIX B 1310.1: The following measures shall be implemented to ensure appropriate authorizations are secured as part of any modifications to jurisdictional waters, including the possible future boat ramp in Neighborhood K: • Where verified waters of the United States are present and cannot be avoided,authorization for modifications to these features shall be obtained from the United States Army Corps of Engineers(USACOE)through the Section 404 permitting process. Similarly,a Section 401 Certification shall be obtained from the Regional Water Quality Control Board(RWQCB) where waters of the United States are directly affected. All conditions required as part of the authorizations by the USACOE and RWQCB shall be implemented as part of the project. • A California Department of Fish and Game(CDFG)Stream Bed Alteration Agreement shall also be required where proposed project activities would affect the bed or banks of Mountain House Creek or Old River and any other regulated drainages on the site. The applicant shall submit a notification form to the CDFG,shall obtain all legally required agreements, and shall implement any conditions contained within that agreement. • Consultation or incidental take permitting may be required under the California and federal Endangered Species Acts. The applicant shall obtain all legally required permits or other authorizations from the United States Fish and Wildlife Service(USFWS), National Oceanic and Atmospheric Administration(NOAA) Fisheries,and CDFG for the potential'take'of protected species under the Endangered Species Acts. ../ • Orange construction fencing shall be installed around the boundary of all wetland areas to be preserved so that they are not disturbed during construction. The fencing shall be placed a minimum of 25 feet out from the boundary of the wetland but may need to be adjusted if restoration activities are to be conducted within this area. Grading,trail construction,and restoration work within the wetland buffer zones shall be conducted in a way that avoids or minimizes disturbance of existing wetlands. In some cases, this may mean use of smaller equipment such as a Bobcat. • A biologist/restoration specialist shall be available during construction to provide situation-specific wetland avoidance measures or planting recommendations,as needed. HAZARDS-1: Protocols for Petroleum Hydrocarbons in Soil. If indications of petroleum hydrocarbon contamination in site soil,such as staining and odors, are observed during excavation or grading activities adjacent to Byron Road,the contractor shall stop work and notify the Chevron Environmental Management Company and the RWQCB in accordance with the procedures specified in the Soil and Groundwater Management Plans for Chevron Mountain House Sites Nos. 1,2,and 3. The contractor shall ensure that any contaminated soil and groundwater encountered during project construction is handled in a safe and lawful manner. NOISE-1:The applicant shall conduct noise monitoring at homes within Neighborhood L that are adjacent to the MHCSD wastewater treatment plant. If W711 p B-3