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i 16 11 Describe important on-site and/or adjacent topographical and water features On-Site The existing seawall is approximately 3 ft wide and 835 ft long There are no inivortant topographical features associated with this structure Adjacent The existing seawall is located immediately ad ai cent to the Stockton Channel 12 Describe any important on-site and/or adjacent vegetation/wildlife habitat On-Site There is no vegetation or wildlife habitat of importance on-site Adjacent There is no vegetation or wildlife habitat of importance ad acent to the Droject study area ' 13 Describe any general and special status wildlife species known to inhabit the site or for which the site provides important habitat The existmg seawall is located unmediately adiacent„to Stockton Channel Since the Weber Point Southbank ' Seawall prosect occurs within the boundaries of the legal Delta, the project is located within an area considered as Critical Habitat for Delta smelt See Appendix B, "Biological Fishenes Resources Evaluation and Wetland Delineation Report”(Sycamore Environmental, 1997) for additional discussion The habitat assessment demonstrates a lack of suitable foraging.and spawning habitat for.Delta smelt and other aquatic species of potential concern including ' Sacramento solittail,Green sturgeon,River lamprey,.and Pacific lamprey 14 Identify and describe any significant cultural resources on or near the site (attach a "Records Search," "Site Survey," and/or other documentation, if applicable) See Section IV_19 of this IS,and Appendix B,pages 13 and 15 15 Identify and describe any on-site or nearby public health and safety hazards or hazardous areas (attach a "Preliminary Site Assessment" and/or "Remediation Plan," if applicable) A small_void currently exists beneath the existing seawall This void presents a safety hazard because of the potential for collapse of portions of the seawall „There are no other known public health and safety hazards or hazardous areas within the protect study area l6 Identify and describe any potentially hazardous geologic/soil conditions Underground drams and pipes occur throughout and beneath the site Due to the age of the pipes, they ma have asbestos-contamm materials lemfelder, 14 July 1997 ' Preliminary Environmental Site Assessment) The site is listed on the ERN regulatory agency database list and the California facility inventory database as a site with a reported hazardous incident The incident that occurred was an asbestos spill <1 ound which was cleaned uR and transported to a waste facilLty in accordance with San Joaquin County ' guidelines _ 17 Is any portion of the site subject to a 100-year flood? Yes X No ' If so, identify and describe the flood zone designation(s) for the site(as shown on the Federal Emergency Management Agency's Flood Insurance Rate Maps) Zone X,less than 1 ft inundation _ ' 18 Identify and describe any existing and/or projected on-site ambient noise levels which exceed adopted noise standards (plot those noise contours on proposed tentative maps and/or on a site plan for the project,as applicable) ' a Do on-site ambient noise levels from existing land uses(locally regulated noise sources)located on-site or off-site exceed adopted noise standards9 Yes No X If so,describe ' b Does or will transportation-related noise exceed 60 dB Ldn/CNEL at any exterior location or 45 dB Ldn/CNEL at any interior location9 Yes No X If so,describe FX IS 04 DOC 925/97 7