SFPUC 2001 Alameda Watershed Management Plan

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III. ENVIRONMENTAL SETTING AND IMPACTSF. AIR QUALITYTABLE III.F-3 (Continued)MANAGEMENT ACTIONS THAT COULD RESULT IN SIGNIFICANT PHYSICAL EFFECTS TO AIR QUALITYTHROUGH INCREASE IN CONSTRUCTION-RELATED AIR POLLUTANT EMISSIONSManagement Actions that Could be Required to Reduce Potential Physical EffectsManagement Actions that Could Result inPotential Physical Effects a Action a,b Level of Significanceif ImplementedAction sun13: Restore the historic entry to the Sunol Water Temple. Action des9. LTSAction sun14: Develop a public recreation area around the Sunol Action des9.LTSWater Temple.Action sun19: Establish a small commercial site. Action des9. LTSAction sun20: Establish an overnight nature study area. Action des9. LTSAction sun21: Establish trail connections extending to the Sunol Action des9 and roa12.LTSRegional Wilderness.Action gra2: Implement structural protection measures, including Action des9.LTSfencing and other improvements.Action gra6: Implement improvements for the San Antonio Action des9.LTSWater Protection Area.Action gra7: Implement improvements for the Calaveras Action des9.LTSWatershed Protection Area.Action gra8: Implement improvements for the Lower Alameda Action des9.LTSCreek Watershed Protection Area.Policy WA15.2: Consider addition of new trails in zones of Action des9 and roa12.LTSlesser vulnerability and risk.Policy WA15.4: Support new trail connections that link to Action des9 and roa12.LTSadjacent communities and other trail facilities.Policy WA18.1: Consider expansion of existing golf course in Action des9.LTSareas of low vulnerability/sensitivity.Action des8: Implement universal access improvements at Action des9.LTSSFPUC facilities and trails.Action sun17: Provide universal access at Sunol Valleyrecreation facilities.Action des9.LTSa See accompanying text and Table II-1 for a description of each management action.b Bold text indicates actions that may be most essential for reducing potential significant impacts.S = SignificantPS = Potentially SignificantLTS = Less than SignificantNOP 96.223E: Alameda Watershed Management Plan III.F-13 ESA / 930385January 2001
III. ENVIRONMENTAL SETTING AND IMPACTSF. AIR QUALITYfollowing construction, and covering stockpiles and trucks hauling soil or other loose materials.In addition, Action roa12 includes BMPs for roadway and trail construction, includingminimizing grading and designing roads and trails to avoid cut-and-fill and to minimizeexcavation. Implementation of Action des9, as described above and in Section IV.F, wouldreduce fugitive dust during project construction to a less than significant level (BAAQMD,1996).The impacts of day-to-day management activities that implement the Management Plan areanalyzed in this EIR and generally would not be subject to further environmental review. Nounavoidable significant program-level air quality impacts related to construction activities havebeen identified in this EIR. However, the San Francisco Planning Department would requireexamination of many specific management actions proposed in the Management Plan at the timethey are proposed for implementation to determine if further environmental review at a moredetailed project-specific and site-specific level were necessary. Table II-1 identifies the specificmanagement actions that are likely to require such study.Changes to Gravel Mining EmissionsGravel mining currently occurs in the Sunol Valley. At present, mining activities in the AlamedaWatershed occur only south of I-680. Fugitive dust emissions from topsoil and overburdenedstripping and transport associated with mining activities at Mission Valley Rock Company andRMC Pacific Materials mining areas are regulated by permits administered by the BAAQMD.Permit limits are designed to keep air pollutant emission levels below BAAQMD’s threshold ofsignificance for PM-10, the primary air pollutant of concern related to mining operations. Dustemissions from mining activities vary from day to day depending on a number of factors, such asprevailing weather and the level and type of mining activity.• As described earlier in this document, actions proposed in the Alameda Watershed ManagementPlan for mining north of I-680 would take place substantially in accordance with limits andmitigations set forth in the conditions of approval for Alameda County’s SMP-32. TheManagement Plan incorporates SMP-32 conditions of approval and proposes modification in thetiming and sequencing of mining (shortening the completion date for water storage pits) andmining reclamation. These modifications may require amendment of the existing permit butwould not bring about any new air quality impacts beyond those disclosed and mitigated in theEIR prepared for SMP-32. Alameda County’s conditions of approval for SMP-32 includemeasures to reduce dust emissions and requirements to maintain all quarry-operated equipmentto reduce exhaust emissions. These conditions reduce air quality impacts from mining to a lessthan significant level. Amendment of the existing permit, if required, would be subject toproject-level environmental review by Alameda County.Mining north of I-680 proposed under the Sunol Valley Resource Management Plan Element wouldreplace a portion of the current mining area south of I-680. Because mining south of I-680 isongoing at a rate based on plant capacity and market demand, increasing the mined area by miningNOP 96.223E: Alameda Watershed Management Plan III.F-14 ESA / 930385January 2001
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San Francisco Planning DepartmentAL
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TABLE OF CONTENTSPageIV.MITIGATION
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TABLE OF CONTENTSPageLIST OF TABLES
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I. SUMMARYcomprehensive set of goal
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I. SUMMARYconstruction of facilitie
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I. SUMMARYOperations and maintenanc
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I. SUMMARYmanagement actions. Addit
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I. SUMMARYlimits and mitigations se
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II. PROJECT DESCRIPTION! to provide
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II. PROJECT DESCRIPTION• southern
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II. PROJECT DESCRIPTION4.0 MANAGEME
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II. PROJECT DESCRIPTIONPolicies WQ3
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II. PROJECT DESCRIPTION! walking of
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II. PROJECT DESCRIPTIONdecisions re
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II. PROJECT DESCRIPTIONraw, untreat
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II. PROJECT DESCRIPTION6.0 PHASING
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II. PROJECT DESCRIPTIONApproximatel
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II. PROJECT DESCRIPTIONC. RELATED P
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II. PROJECT DESCRIPTIONE. ENVIRONME
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II. PROJECT DESCRIPTIONAfter the Ma
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II. PROJECT DESCRIPTIONTABLE II-1 (
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CHAPTER IIIENVIRONMENTAL SETTING AN
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III. ENVIRONMENTAL SETTING AND IMPA
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WaterStoragePitWaterStoragePitWater
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AlamedaCreekNiles Sunol WaterReserv
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IV. MITIGATION MEASURESC. GEOLOGY A
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IV. MITIGATION MEASURES3. In implem
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IV. MITIGATION MEASURESF. AIR QUALI
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IV. MITIGATION MEASURESI. AESTHETIC
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IV. MITIGATION MEASURES2.0 MITIGATI
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V. SIGNIFICANT UNAVOIDABLE ENVIRONM
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CHAPTER VIIALTERNATIVESA. METHODOLO
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VII. ALTERNATIVESTABLE VII-1COMPARA
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VII. ALTERNATIVESTABLE VII-1 (Conti
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VII. ALTERNATIVESWatershed patrols,
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VII. ALTERNATIVESemphasizes ecologi
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VII. ALTERNATIVESunder the preferre
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VII. ALTERNATIVESSan Antonio Creek
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VII. ALTERNATIVESstorage under this
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VII. ALTERNATIVESGeology and Soils.
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VII. ALTERNATIVESthat Alameda Count
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VII. ALTERNATIVESand F propose. Min
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CHAPTER VIIIDRAFT EIR DISTRIBUTION
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IX. APPENDICESAPPENDIX IX.ANOTICE O
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IX. APPENDICESB. SPECIAL-STATUS SPE
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CHAPTER XLIST OF ACRONYMSACWDACWRSA
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X. LIST OF ACRONYMSSRUEBUSFWSUSTsWH
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XI. EIR AUTHORS AND CONSULTANTS; OR
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CHAPTER XIISUMMARY OF COMMENTS AND
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XII. SUMMARY OF COMMENTS AND RESPON
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XII. SUMMARY OF COMMMENTS AND RESPO
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SFPUC 2001 Alameda Watershed Management Plan

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