APPENDIX F. Air Quality Modeling Results

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1 APPENDIX F Air Quality Modeling Results

2 PHASE 2 NLIP Emissions Summary Unmitigated 2008 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 NCC East Levee East Levee Elkhorn Canal TOTAL TOTAL Mitigated 2008 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 % Reduction 5% 20% 75% 5% 20% 75% % Reduction 5% 20% 75% 5% 20% 75% TOTAL TOTAL Threshold Significant? Y Y Y N Y - - Y Y* N N N Unmitigated 2010 Emissions No Phase 2 NCC work would occur in 2010, 15% of all other Phase 2 work could occur in 2010 in Sutter County and 15% could occur in Sacramento County Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 NCC East Levee East Levee Elkhorn Canal TOTAL TOTAL Mitigated 2010 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 % Reduction 5% 20% 75% 5% 20% 75% % Reduction 5% 20% 75% 5% 20% 75% TOTAL TOTAL

3 PHASE 2 NLIP Emissions Summary Unmitigated 2008 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 NCC East Levee East Levee Elkhorn Canal TOTAL TOTAL Mitigated 2008 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 % Reduction 5% 20% 75% 5% 20% 75% % Reduction 5% 20% 75% 5% 20% 75% TOTAL TOTAL Threshold Significant? Y Y Y N Y - - Y Y* N N N Unmitigated 2010 Emissions No Phase 2 NCC work would occur in 2010, 15% of all other Phase 2 work could occur in 2010 in Sutter County and 15% could occur in Sacramento County Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 NCC East Levee East Levee Elkhorn Canal TOTAL TOTAL Mitigated 2010 Emissions Sutter County Worst-Case lb/day Tons/year Sacramento County Worst-Case lb/day Tons/year ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 ROG NOX PM10 % Reduction 5% 20% 75% 5% 20% 75% % Reduction 5% 20% 75% 5% 20% 75% TOTAL TOTAL

4 SEL Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR SEL TO OCCUR IN SACRAMENTO COUNTY (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor [1]Site Preparation (concurrent with 2,3) 0 yd days *assumes haul load=14 yd3 *assumes haul trucks drive length of levee each day Haul Truck(s) g/mile 10 trucks lb/yr lb/gram Haul Truck(s) g/trip 540 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Scraper(s) lb/day lb/yr Loader(s) lb/day lb/yr Grader(s) lb/day lb/yr Chipper(s) lb/day lb/yr Crawler Tractor(s) lb/day lb/yr Employee Trips lb/day/emp 68 employees lb/yr Travel on unpaved roads lb/vmt 0 trucks lb/yr Travel on paved roads lb/vmt 10 trucks , lb/yr lb/yr 2000 lb/ton lb/day [2]Removal of Landside Structures and Other Facilities (concurrent with 1,3) 0 yd days

5 NCC Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR NCC TO OCCUR IN SUTTER COUNTY Phases 1-7: Cutoff Wall Construction, Phases 8-11: Levee Raise Construction (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor [1]Site Preparation 0 yd days *assumes haul load=14 *assumes trucks drive of levee yd3 haul length each day Haul Truck(s) g/mile 1 trucks lb/yr lb/gram Haul Truck(s) g/trip 2 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Scraper(s) lb/day lb/yr Loader(s) lb/day lb/yr Employee Trips lb/day/emp15 employees lb/yr Travel on unpaved roads lb/vmt 1 trucks lb/yr Travel on paved roads lb/vmt 1 trucks lb/yr lb/yr 2000 lb/ton lb/day [2]Levee Degrading 0 yd days *assumes haul load=14 *assumes trucks drive of levee yd3 haul length each day Scraper(s) lb/day lb/yr Bulldozers lb/day lb/yr Loader(s) lb/day lb/yr Employee Trips lb/day/emp15 employees lb/yr lb/yr 2000 lb/ton lb/day [3]Pipeline Removal 0 yd days Haul Truck(s) g/mile 1 trucks lb/yr lb/gram Haul Truck(s) g/trip 2 trips lb/yr lb/gram Excavator(s) lb/day lb/yr *assumes haul load=14 yd3 Employee Trips lb/day/emp15 employees lb/yr Travel on unpaved roads lb/vmt 6 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes, scraper hauling is on 100% unpaved routes Travel on paved roads lb/vmt 6 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes lb/yr 2000 lb/ton lb/day Brookfield Site 3750 yd days [4] Cutoff Wall Construction Commercial Source 150 yd days Haul Truck(s) g/mile 1 trucks lb/yr lb/gram Haul Truck(s) g/trip 279 trips lb/yr lb/gram Loader(s) lb/day lb/yr Pallet Loader(s) [Forklifts] lb/day lb/yr Generator(s) lb/day lb/yr Pump(s) lb/day lb/yr Pickup(s) lb/day lb/yr Excavator(s) lb/day lb/yr Employee Trips lb/day/emp15 employees lb/yr Travel on unpaved roads lb/vmt 536 VMT/yr lb/yr Travel on paved roads lb/vmt 536 VMT/yr lb/yr lb/yr 2000 lb/ton lb/day [5]Levee Crown Reconstruction 0 yd days Water Truck(s) lb/day lb/yr Scraper(s) lb/day lb/yr Roller(s) lb/day lb/yr Employee Trips lb/day/emp15 employees lb/yr lb/yr 2000 lb/ton lb/day [6]Borrow Site Excavation 0 yd days Haul Truck(s) g/mile 3 trucks lb/yr lb/gram Haul Truck(s) g/trip 18 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr *assumes haul load=14 yd3 Employee Trips lb/day/emp15 employees lb/yr Travel on unpaved roads lb/vmt 36 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes, scraper hauling is on 100% unpaved routes Travel on paved roads lb/vmt 36 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes lb/yr 2000 lb/ton lb/day

6 NCC Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR NCC TO OCCUR IN SUTTER COUNTY Phases 1-7: Cutoff Wall Construction, Phases 8-11: Levee Raise Construction (miles/roundtrip) # of Haul Loads /Day [7]Site Restoration/Demobilization 0 yd days *assumes haul load=14 *assumes drive 5 yd3 trucks miles/day Haul Truck(s) g/mile 1 trucks lb/yr lb/gram Haul Truck(s) g/trip 2 trips lb/yr lb/gram Off-Highway Truck(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp15 employees lb/yr Travel on unpaved roads lb/vmt 8 VMT/yr lb/yr Travel on paved roads lb/vmt 0 VMT/yr lb/yr lb/yr 2000 lb/ton lb/day Time frame Conversion Factor [8]Levee Raising (Levee Raise 0 yd days Component) 85.0 days Water Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Roller(s) lb/day lb/yr Bulldozer(s) lb/day lb/yr Employee Trips lb/day/emp20 employees lb/yr lb/gram lb/yr 2000 lb/ton lb/day Brookfield Site yd days [9]Borrow Site Excavation (Levee Raise Component) *assumes haul load=14 yd3 Haul Truck(s) g/mile 10 trucks lb/yr lb/gram Haul Truck(s) g/trip 2357 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Bulldozer(s) lb/day lb/yr Excavator(s) lb/day lb/yr *assumes haul load=14 yd3 Employee Trips lb/day/emp20 employees lb/yr Travel on unpaved roads lb/vmt 4714 VMT/yr - - 4, lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Travel on paved roads lb/vmt 4714 VMT/yr - - 1, lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Material Handling Tons/yd3 (gravel/sand) Tons/day Material loading at borrow lb/ton - - 1, lb/yr Material unloading at levee lb/ton lb/yr Bulldozing lb/hr lb/yr 8 hrs/day lb/yr 2000 lb/ton lb/day [10] Finish Grading (Levee Raise Component) 0 yd days *assumes haul load=14 *assumes trucks drive miles each yd3 haul 10 day Off-Highway Truck(s) lb/day lb/yr Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp20 employees lb/yr lb/yr 2000 lb/ton lb/day [11]Operating Road Construction (Levee Raise Component) 0 yd days *assumes haul load=14 *assumes trucks drive miles each yd3 haul 10 day Haul Truck(s) g/mile 5 trucks lb/yr lb/gram Haul Truck(s) trips lb/yr lb/gram Compactor(s) lb/day lb/yr Grader(s) lb/day lb/yr Employee Trips lb/day/emp20 employees lb/yr lb/gram Travel on unpaved roads lb/vmt 20 VMT/yr lb/yr Travel on paved roads lb/vmt 20 VMT/yr lb/yr lb/yr 2000 lb/ton lb/day 2010 calendar year from NCC TPY to occur during 2010 calendar year from NCC Worst-case lb/day *assumes some phases will be conducted concurrently *These calculations represent worst-case emissions from construction activities associated with South Natomas Cross Canal work

7 Riverside Canal Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR RIVERSIDE CANAL TO OCCUR IN SACRAMENTO COUNTY (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor [1]Clearing, Grubbing, Stripping yd days *assumes haul load=14 yd3 Haul Truck(s) g/mile 25 trucks lb/yr lb/gram Haul Truck(s) g/trip 6429 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Bulldozers lb/day lb/yr Loader(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr lb/yr 2000 lb/ton lb/day [2]Water Control Facility Construction 0 yd days *assumes haul load=14 yd3 Compactor(s) lb/day lb/yr Backhoe(s) lb/day lb/yr Generator(s) lb/day lb/yr Pump(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr lb/yr 2000 lb/ton lb/day [3]Embankment and Access Road Construction Fishermans Lake yd3 Transported by haul truck days Haul Truck(s) g/mile 30 trucks lb/yr lb/gram Haul Truck(s) g/trip trips lb/yr lb/gram Roller(s) lb/day lb/yr Bulldozers lb/day lb/yr Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr Travel on unpaved roads lb/vmt VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes, scraper hauling is on 100% unpaved routes Travel on paved roads lb/vmt VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Material Handling Tons/yd3 (gravel/sand) Tons/day Material loading at borrow lb/ton lb/yr Material unloading at levee lb/ton lb/yr Bulldozing lb/hr 8 hrs/day lb/yr lb/yr 2000 lb/ton lb/day Fisherman's Lake 0 yd days [4]Canal Lining Commercial Source100 yd days *assumes haul load=14 yd3 Haul Truck(s) g/mile 2 trucks lb/yr lb/gram Haul Truck(s) g/trip 7 trips lb/yr lb/gram Pump(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr Travel on unpaved roads lb/vmt 107 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Travel on paved roads lb/vmt 107 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes lb/yr 2000 lb/ton lb/day

8 Riverside Canal Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR RIVERSIDE CANAL TO OCCUR IN SACRAMENTO COUNTY (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor [5,6,7] Irrigation Interconnections, Fisherman's Lake 0 yd days Erosion Control, Irrigation Canal Abandonment Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Compactor(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr lb/yr 2000 lb/ton lb/day [8]Site Restoration/Demobilization Commercial Source10800 yd days *assumes haul load=14 yd3 *assumes trucks drive 5 miles/day Haul Truck(s) g/mile 5 trucks lb/yr lb/gram Haul Truck(s) g/trip 771 trips lb/yr lb/gram Loader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp40 employees lb/yr Travel on unpaved roads lb/vmt VMT/yr , lb/yr Travel on paved roads lb/vmt VMT/yr - - 3, lb/yr lb/yr 2000 lb/ton lb/day 2010 calendar year from Riverside Canal TPY to occur during 2010 calendar year from Riverside Canal Worst-case lb/day *These calculations represent worst-case emissions from construction activities associated with Riverside Canal work

9 Pump Plant Work *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR PUMPING PLANTS TO OCCUR IN SACRAMENTO COUNTY Riverside, Plant 3, and Plant 5 (miles/ro und-trip) # of Haul Loads / Time Day frame Conversi on Factor [1] Riverside Pipeline Relocation, Pumping Fisherman's Lake 0 yd days House Relocation, Channel Realignment Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Compactor(s) lb/day lb/yr Employee Trips lb/day/employ 15 employees lb/yr lb/yr 2000 lb/ton lb/day [2] #3 Pipeline Relocation, Pumping Fisherman's Lake 0 yd days House Relocation, Channel Realignment Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Compactor(s) lb/day lb/yr Employee Trips lb/day/employ 15 employees lb/yr lb/yr 2000 lb/ton lb/day [3] #5 Pipeline Relocation, Pumping Fisherman's Lake 0 yd days House Relocation, Channel Realignment Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Compactor(s) lb/day lb/yr Employee Trips lb/day/employ 15 employees lb/yr lb/yr 2000 lb/ton lb/day 2010 calendar year from Pumping Plants TPY to occur during 2010 calendar year from Pumping Plants Worst-case lb/day

10 Borrowsite Excavation *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR BORROW SITES TO OCCUR IN SACRAMENTO COUNTY Fishermans Lake, I-5 Area, Habitat Conservation and Restoration (miles/rou # of Haul nd-trip) Loads / Time Day frame Conversi on Factor Fisherman's Lake 500 acres Includes borrow from Reaches days [1] Borrow Site Excavation I-5 Area 452 acres **all hauling accounted for under other components of Phase 4a. Water Truck(s) lb/day lb/yr Loader(s) lb/day lb/yr Bulldozer(s) lb/day lb/yr Excavator(s) lb/day lb/yr Employee Trips lb/day/employ 20 employees lb/yr Disturbed Acreage lb/acre 68 lb/day - - 9, lb/yr Material Handling Bulldozing lb/hr 8 hrs/day lb/yr lb/yr 2000 lb/ton lb/day Fisherman's Lake 0 yd days [2] Habitat Conservation, Borrow Site Restoration Bulldozer(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Excavator(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Employee Trips lb/day/employ 10 employees lb/yr lb/yr 2000 lb/ton lb/day 2010 calendar year from Borrow Site Work TPY to occur during 2010 calendar year from Borrow Site Work Worst-case lb/day

11 Phase 4a Summary *2010 calendar year comprises reach work to occur over 8 months (April - Nov) Fishermans Lake, I-5 Area, Habitat Conservation and Restoration ROG NOX PM10 CO2 Unit from SEL TPY to occur during 2010 calendar year from SEL Worst-case lb/day *assumes some phases will be conducted concurrently from NCC TPY to occur during 2010 calendar year from NCC Worst-case lb/day *assumes some phases will be conducted concurrently from Riverside Canal TPY to occur during 2010 calendar year from Riverside Canal Worst-case lb/day from Pumping Plants TPY to occur during 2010 calendar year from Pumping Plants Worst-case lb/day from Borrow Site Work TPY to occur during 2010 calendar year from Borrow Site Work Worst-case lb/day Phase 4a Sac Co TPY to occur during 2010 calendar year Phase 4a Sac Co Worst-case lb/day Phase 4a Sut Co TPY to occur during 2010 calendar year Phase 4a Sut Co Worst-case lb/day Phase 4a TPY to occur during 2010 calendar year Phase 4a Worst-case lb/day Mitigation Reductions 5% 20% 75% - Mitigated Phase 4a Sac Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sac Co Worst-case lb/day Mitigated Phase 4a Sut Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sut Co Worst-case lb/day Mitigated Phase 4a TPY to occur during 2010 calendar year Mitigated Phase 4a Worst-case lb/day

12 SEL Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR SEL TO OCCUR IN SACRAMENTO COUNTY Raise in Place Alternative (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor [1]Site Preparation (concurrent with 2,3) 0 yd days *assumes haul load=14 yd3 *assumes haul trucks drive length of levee each day Haul Truck(s) g/mile 10 trucks lb/yr lb/gram Haul Truck(s) g/trip 540 trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Scraper(s) lb/day lb/yr Loader(s) lb/day lb/yr Grader(s) lb/day lb/yr Chipper(s) lb/day lb/yr Crawler Tractor(s) lb/day lb/yr Employee Trips lb/day/emp68 employees lb/yr Travel on unpaved roads lb/vmt 0 trucks lb/yr Travel on paved roads lb/vmt 10 trucks , lb/yr lb/yr 2000 lb/ton lb/day [2]Removal of Landside Structures and Other Facilities (concurrent with 1,3) 0 yd days *assumes haul load=14 yd3 *assumes haul trucks drive length of levee each day Haul Truck(s) g/mile 24 trucks lb/yr lb/gram Haul Truck(s) g/trip 1152 trips lb/yr lb/gram Excavator(s) lb/day lb/yr Loader(s) lb/day lb/yr Employee Trips lb/day/emp68 employees lb/yr Travel on unpaved roads lb/vmt 0 trucks lb/yr Travel on paved roads lb/vmt 24 trucks , lb/yr lb/yr 2000 lb/ton lb/day [3]Excavate Stability Berm (concurrent with 1,2) 0 yd3 Transported by haul truck days Reusable Fill yd3 Transported by scraper days Haul Truck(s) g/mile 12 trucks lb/yr lb/gram Haul Truck(s) g/trip 24 trips lb/yr lb/gram Excavator(s) lb/day lb/yr *assumes haul load=14 yd3 Scraper(s) lb/day lb/yr Bulldozers lb/day lb/yr Grader(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp68 employees lb/yr Travel on unpaved roads lb/vmt 2591 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes, scraper hauling is on 100% unpaved routes Travel on paved roads lb/vmt 84 VMT/yr lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Material Handling Tons/yd3 (gravel/sand) Tons/day Material loading at borrow lb/ton lb/yr Material unloading at levee lb/ton lb/yr Bulldozing lb/hr 8 hrs/day lb/yr lb/yr 2000 lb/ton lb/day [4]Construction of Adjacent Fisherman's Lake yd3 Includes borrow from Reaches days Levee Raise & Seepage Berms (concurrent with 5,6,7) Commercial Source yd3 Includes borrow from Reaches 10-15, assumes 1.25 tons per yd days *assumes haul load=14 yd3 Haul Truck(s) g/mile 190 trucks lb/yr lb/gram Haul Truck(s) g/trip trips lb/yr lb/gram Water Truck(s) lb/day lb/yr Scraper(s) lb/day lb/yr Loader(s) lb/day lb/yr Bulldozer(s) lb/day lb/yr Compactor(s) lb/day lb/yr Grader(s) lb/day lb/yr Excavator(s) lb/day lb/yr Employee Trips lb/day/emp75 employees lb/yr

13 SEL Phase 4a *2010 calendar year comprises reach work to occur over 8 months (April - Nov) ALL WORK FOR SEL TO OCCUR IN SACRAMENTO COUNTY Raise in Place Alternative (miles/roundtrip) # of Haul Loads /Day Time frame Conversion Factor Travel on unpaved roads lb/vmt VMT/yr , lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Travel on paved roads lb/vmt VMT/yr , lb/yr *assumes that material hauling is along 50% paved and 50% unpaved haul routes Material Handling Tons/yd3 (gravel/sand) Tons/day Material loading at borrow lb/ton , lb/yr Material unloading at levee lb/ton , lb/yr Bulldozing lb/hr 8 hrs/day lb/yr lb/yr 2000 lb/ton lb/day Fisherman's Lake 0 yd3 Includes borrow from Reaches days [5] Cutoff Wall Construction (concurrent with 4,6,7) Commercial Source 0 yd3 Includes borrow from Reaches days Haul Truck(s) g/mile 8 trucks lb/yr lb/gram Haul Truck(s) g/trip 480 trips lb/yr lb/gram Loader(s) lb/day lb/yr Bulldozer(s) lb/day lb/yr Pallet Loader(s) [Forklifts] lb/day lb/yr Generator(s) lb/day lb/yr Pump(s) lb/day lb/yr Pickup(s) lb/day lb/yr Excavator(s) lb/day lb/yr Employee Trips lb/day/emp75 employees lb/yr Travel on unpaved roads lb/vmt 240 VMT/yr lb/yr Travel on paved roads lb/vmt 240 VMT/yr lb/yr lb/yr 2000 lb/ton lb/day [6, 7]Reconstruct Garden Hwy/Install Surface Drainage (concurrent with [4,5]) 0 yd days *assumes haul load=14 yd3 *assumes haul trucks drive 10 miles each day Haul Truck(s) g/mile 6 trucks lb/yr lb/gram Haul Truck(s) g/trip 162 trips lb/yr lb/gram Backhoe(s) lb/day lb/yr Drill Rig(s) lb/day lb/yr Roller(s) lb/day lb/yr Paver(s) lb/day lb/yr Off-Highway Truck(s) lb/day lb/yr Employee Trips lb/day/emp75 employees lb/yr lb/gram Travel on unpaved roads lb/vmt 0 VMT/yr lb/yr Travel on paved roads lb/vmt VMT/yr - - 7, lb/yr lb/yr 2000 lb/ton lb/day [8]Site Restoration/Demobilization 0 yd days *assumes haul load=14 yd3 *assumes trucks drive 5 miles/day Haul Truck(s) g/mile 6 trucks lb/yr lb/gram Haul Truck(s) g/trip 204 trips lb/yr lb/gram Off-Highway Truck(s) lb/day lb/yr Water Truck(s) lb/day lb/yr Employee Trips lb/day/emp60 employees lb/yr Travel on unpaved roads lb/vmt 4896 VMT/yr - - 4, lb/yr Travel on paved roads lb/vmt 0 VMT/yr lb/yr lb/yr 2000 lb/ton lb/day 2010 calendar year from SEL TPY to occur during 2010 calendar year from SEL Worst-case lb/day *assumes some phases will be conducted concurrently *These calculations represent worst-case emissions from construction activities associated with Sacramento East Levee work

14 Phase 4a Alternative Comparison Summary Alternative 1 Phase 4a Sac Co TPY to occur during 2010 calendar year Phase 4a Sac Co Worst-case lb/day Phase 4a Sut Co TPY to occur during 2010 calendar year Phase 4a Sut Co Worst-case lb/day Phase 4a TPY to occur during 2010 calendar year Phase 4a Worst-case lb/day Mitigation Reductions 5% 20% 75% - Mitigated Phase 4a Sac Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sac Co Worst-case lb/day Mitigated Phase 4a Sut Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sut Co Worst-case lb/day Mitigated Phase 4a TPY to occur during 2010 calendar year Mitigated Phase 4a Worst-case lb/day Alternative 2 Phase 4a Sac Co TPY to occur during 2010 calendar year Phase 4a Sac Co Worst-case lb/day Phase 4a Sut Co TPY to occur during 2010 calendar year Phase 4a Sut Co Worst-case lb/day Phase 4a TPY to occur during 2010 calendar year Phase 4a Worst-case lb/day Mitigation Reductions 5% 20% 75% - Mitigated Phase 4a Sac Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sac Co Worst-case lb/day Mitigated Phase 4a Sut Co TPY to occur during 2010 calendar year Mitigated Phase 4a Sut Co Worst-case lb/day Mitigated Phase 4a TPY to occur during 2010 calendar year Mitigated Phase 4a Worst-case lb/day

15 TIPS FOR USE: 1. For both residential and non-residential acreage entries EXCLUDE ONLY undisturbed (not graded) Open Space. 2. Append this calculation sheet to the environmental document. 3. Unmitigated NOx (lbs/day) and duration (days) should be consistent with URBEMIS results. Construction Emissons Mitigation Fee Calculation PART 1: PROJECT INFORMATION Project Name: SAFCA - Phase NLIP Construction Emissions within SMAQMD's Jurisdiction Control/Application #: Single Family Dwelling Units: Note: Enter information only in blue bordered cells Multi Family Dwelling Units: Residential Acreage: Non-residential Square Feet: Non-residential Acreage: PART 2: EMISSIONS INFORMATION NOx (lbs/day) NOx over NOx (lbs/day) threshold duration significant NOx Year Activity Phase unmitigated mitigated* (lbs/day) (days) (lbs) 2010 SEL Riverside Pumping Plants Borrow Site Activity project Nox over threshold (lbs) project Nox over threshold (tons) PART 3: MITIGATION FEE RESULTS TOTAL MITIGATION FEE ($16,000/TON)** $733, Administrative Fee (5%) $36,686 TOTAL MITIGATION FEE $770,399 >>> Fee is to be paid to the SMAQMD prior to any ground disturbance either in total or on a by acre basis. Mitigation Fee ($/acre) - * Assumes a construction mitigation plan which achieves a 20% reduction in NOx from on-site, off-road equipment. ** Or the $/ton of NOx cost-effectiveness value in effect at the time the fee is collected.

16 Conformity: Regionally Significant Thresholds Calculations 2006 Estimated Annual Average Emissions SACRAMENTO COUNTY ROG CO NOX PM ton/day tpy % of total SUTTER COUNTY ROG CO NOX PM ton/day tpy % of total

17 Equipment Type Emission Rates for Year 2009 ROG NOX PM10 CO2 Unit ROG NOX PM10 CO2 Unit Employee Light-Duty Trucks lb/day/employee Haul Trucks g/mile g/trip Backhoes lb/day Bore/Drill Rigs lb/day Concrete/Industrial Saws lb/day Cranes lb/day Crawler Tractors lb/day Crushing/Proc. Equipment lb/day Dozer lb/day Excavator lb/day Forklifts, Rough Terrain lb/day Grader lb/day Loaders, Rubber Tired lb/day Off-Highway Trucks lb/day Other Construction Equip lb/day Pavers lb/day Paving Equipment lb/day Rollers lb/day Scraper lb/day Signal Boards lb/day Skid Steer Loaders lb/day Surfacing Equipment lb/day Tractors lb/day Trenchers lb/day Water Trucks lb/day Fugitive Dust 10 lb/acre/day Assumptions: Emission factors from the Road Construction Emissions Model, Version 6.3 (SMAQMD 2008) for model year 2009 which assumes equipment operates 8hrs/day Equipment Type Emission Rates for Year 2010 ROG NOX PM10 CO2 Unit ROG NOX PM10 CO2 Unit Employee Light-Duty Trucks lb/day/employee Haul Trucks g/mile g/trip Backhoes lb/day Bore/Drill Rigs lb/day Compactor lb/day Concrete/Industrial Saws lb/day Cranes lb/day Crawler Tractors lb/day Crushing/Proc. Equipment lb/day Dozer lb/day Excavator lb/day Forklifts, Rough Terrain lb/day Generator lb/day Grader lb/day Loaders, Rubber Tired lb/day Off-Highway Trucks lb/day Other Construction Equip lb/day Pavers lb/day Paving Equipment lb/day Pump lb/day Rollers lb/day Scraper lb/day Signal Boards lb/day Skid Steer Loaders lb/day Surfacing Equipment lb/day Tractors lb/day Trenchers lb/day Water Trucks lb/day Fugitive Dust 10 lb/acre/day Assumptions: Emission factors from the Road Construction Emissions Model, Version 6.3 (SMAQMD 2008) for model year 2010 which assumes equipment operates 8hrs/day Travel on Unpaved Haul Roads (Heavy Duty Trucks): E(lbs/VMT)=(k)(s/12)^a (W/3)^b *AP-42 12/03, eq 1a Where: PM10 k=particle Size Multiplier: 1.5 *AP-42 12/03 Table ; PM10 emissions; industrial roads s=silt Content: 4.3 *AP-42 12/03 Table , service road empirical constants a 0.9 *AP-42 12/03 Table ; PM10 emissions; industrial roads b 0.45 *AP-42 12/03 Table ; PM10 emissions; industrial roads W=Vehicle Weight: (( T/cy*15 cy truck capacity) + 2)/2 (average weight of loaded and unloaded haul truck; assumed empty truck weighs 2 tons) 1.08 lbs/vmt E(ext)= E[(365-P)/365] *AP-42 12/ eq 2 Where: g ;, P=# days/yr with >=0.01 in. precip CALIFORNIA (June 2005) lbs/vmt Travel on Paved Haul Roads (Heavy Duty Trucks): E(lbs/VMT)=(k) (sl/2)^.65 (W/3)^1.5 - *AP-42 12/03, eq 1 Where: PM10 k=particle Size Multiplier (lb/vmt) *AP-42 12/03 Table ; PM10 emissions; industrial roads sl=road surface silt loading (g/m2) 8.2 *AP-42 12/03 Table ; quarry roads W=Vehicle Weight: (( T/cy*15 cy truck capacity) + 2)/2 (average weight of loaded and unloaded haul truck; assumed empty truck weighs 2 tons) C=exhaust, break, tire wear (lb/vmt) *AP-42 12/03 Table ; PM10 emissions 0.30 lbs/vmt E(ext)= E[1-(P/4N)] *AP-42 12/ eq 2 Where: P=# days/yr with >=0.01 in. precip 63 *AP-42 12/03 Figure for Sacramento Co/NOAA Technical Memorandum NWS WR-272; CLIMATE OF SACRAMENTO, N=number of days in averaging period lbs/vmt Fugitive Dust Source Emissions (lb/acre/day) Disturbance Area Assumptions: SMAQMD emission factor of lbs/acre/day (SMAQMD 1994). Aggregate Storage Piles p p g y g g p p, q p g, piles, 4. loadout of material through batch or drop operations (AP-42 12/03, chapt ). E(lb/ton)=(k)(0.0032)(U/5)^1.3 /(M/2)^1*AP-42 12/03, eq 1 Where: PM10 k=particle Size Multiplier: 0.35 *AP-42 12/ ; g PM10 emissions, p, U=mean wind speed (mph) 8 ( M=moisture content (%): 2.4 *AP-42 7/98 Table , haul truck lbs/ton Batch Loading at Borrow Area E(TSP<15 um)=(.119/(m^0.9)) *AP-42 7/98, Table Where: PM10 M=moisture content (%): 2.4 *AP-42 7/98 Table , haul truck 0.05 lb/ton E(TSP<10um)=(E(TSP<15 um)*s) *AP-42 7/98, Table S=scaling factor 0.75 *AP-42 7/98 Table , haul truck 0.04 lb/ton Truck Unloading E(TSP<15 um) PM10 Where: lb/ton *AP-42 7/98 Table , end dump truck unloading (batch drop) E(TSP<10um)=(E(TSP<15 um)*s) *AP-42 7/98, Table S=scaling factor 0.75 *AP-42 7/98 Table , haul truck lb/ton Bulldozing PM10 E(TSP<15 um)=(18.6(s)^1.5)/(m^1.4) *AP-42 7/98, Table Where: M=moisture content (%): 7.9 *AP-42 7/98 Table , bulldozer s=silt content (%) 6.9 *AP-42 7/98 Table , bulldozer lb/hr E(TSP<10um)=(E(TSP<15 um)*s) *AP-42 7/98, Table S=scaling factor 0.75 *AP-42 7/98 Table , bulldozer lb/hr Scraper Unloading PM10 E(TSP<15 um) 0.04 lb/ton *AP-42 7/98 Table , scraper unloading E(TSP<10um)=(E(TSP<15 um)*s) *AP-42 7/98, Table S=scaling factor 0.75 *AP-42 7/98 Table , bulldozer/haul truck 0.03 lb/ton

PM2.5 (lb/day) PM2.5 (ton/yr) PM2.5 (lb/day)

PM2.5 (lb/day) PM2.5 (ton/yr) PM2.5 (lb/day) AIR QUALITY ATTACHMENT - SSJID Retail Electric Service Plan Summary of Construction Emissions :Project without Border-Area Service Plan NOx PM10 PM2.5 CO ROG SOx CO2 On-Road Crew and Workers 27.46 1.50