Environmental Impact Statement - Sonoma Land Trust

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California Department of Fish and Game U.S. Fish and Wildlife Service Section 3.11. Air Quality Table 3.11-10. Maximum 2014 Emissions in tons/year from Construction Activities for the Full-Tidal Alternative Project Phase ROG NO X CO PM10 PM2.5 CO 2 Unmitigated Excavation/Earthmoving 0.62 8.17 2.97 18.43 4.07 1,222.03 Dredging 0.11 1.79 0.27 0.05 0.05 107.8 Install Drainage Pumps/Build Bridge 0.09 0.79 0.30 0.03 0.03 86.81 Breaching 0.01 0.10 0.04 2.20 0.46 14.48 Surface Bay Trail 0.03 0.13 0.08 0.01 0.01 13.57 Minor Excavation/Fence Building North of Highway 37 0.13 1.47 0.54 2.16 0.49 212.38 2014 Total Unmitigated Emissions 1.49 12.45 4.2 22.88 8.24 1,657.07 Mitigated Excavation/Earthmoving 0.62 8.17 2.97 6.75 1.67 1,222.03 Dredging 0.11 1.79 0.27 0.05 0.05 107.8 Install Drainage Pumps/Build Bridge 0.09 0.72 0.30 0.02 0.02 86.81 Breaching 0.01 0.10 0.04 0.70 0.15 14.48 Surface Bay Trail 0.02 0.12 0.08 0.00 0.00 13.57 Minor Excavation/Fence Building North of Highway 37 0.13 1.47 0.54 0.72 0.19 212.38 2014 Total Mitigated Emissions 1.48 12.37 4.2 5.11 2.08 1,657.07 BAAQMD threshold NA NA NA NA NA NA Emissions mitigated using the measures listed above in Table 3.11-8 would be further reduced As described for the Project, implementation of Mitigation Measure AQ-MM-1 would reduce this impact to a less -than -significant level. Conclusion: Less than Significant with Mitigation. Sears Point Wetland and Watershed Restoration Project Final Environmental Impact Report/Environmental Impact Statement 3.11-23 April 2012
California Department of Fish and Game U.S. Fish and Wildlife Service Section 3.11. Air Quality Impact AQ-2: Generation of Criteria Pollutant Emissions in Excess of Federal de minimis Thresholds Proposed Project Yearly emissions associated with the Project are presented in Tables 3.11-5 through 3.11-7. These tables indicate that implementation of the Project would not result in the generation of emissions in excess of de minimis thresholds. Consequently, implementation of the Project is found to be a conforming project and potential effects are considered less than significant. No mitigation is required. Conclusion: Less than Significant. Full-Tidal Alternative Yearly emissions associated with the Full-Tidal Alternative are presented in Tables 3.11-8 through 3.11-10. Similar to the Project, these tables indicate that implementation of the Full-Tidal Alternative would not result in the generation of emissions in excess of de minimis thresholds. Consequently, implementation of the Full-Tidal Alternative is found to be a conforming project and potential effects are considered less than significant. No mitigation is required. Conclusion: Less than Significant. Impact AQ-3: Exposure of Sensitive Receptors to Substantial Pollution Concentrations or Objectionable Odors Proposed Project Construction activities such as dredging soil from the marshland could generate objectionable odors. Newly disturbed peat piles could release sulfide gas for several minutes, after which the emissions would dissipate. As stated above, sensitive receptors near the project area include adjacent Bay Trail users and three adjacent residences. Post-construction odors would be similar to existing conditions and are therefore not anticipated to result in an impact. However, during construction, short-term odors would likely result from excavation of marsh soils. Odor impacts, if they occur at all, would be localized. Such odor emissions would be temporary, limited to a short duration during and after excavation. Therefore, this impact is considered less than significant, and no mitigation is required. Conclusion: Less than Significant. Sears Point Wetland and Watershed Restoration Project Final Environmental Impact Report/Environmental Impact Statement 3.11-24 April 2012
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Sears Point Wetland and Watershed R
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Sears Point Wetland and Watershed R
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Contents List of Tables ...........
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California Department of Fish and G
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Executive Summary This summary prov
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Table ES-1. Summary of Impacts and
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Table ES-1. Continued Page 3 of 141
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Table 1-1. List of Local, State, an
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Table 2-2. Action Alternatives Cons
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Chapter 3 Affected Environment and
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Section 3.1 Geology, Soils, and Pal
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Section 3.2 Surface-Water Hydrology
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Section 3.3 Water Quality Introduct
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Table 3.5-2. Special-Status Species
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Section 3.6 Land Use and Public Uti
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Section 3.7 Agricultural Resources
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Chapter 4 Consultation and Other Re
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Sonoma Land Trust Chapter 4. Consul
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Chapter 5 Public Involvement and Sc
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Sonoma Land Trust Chapter 7. Refere
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Environmental Impact Statement - Sonoma Land Trust

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