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TABLE
<br /> Revised 30-year Cost Estimate: Site Operations and Maintenance
<br /> Former Manufactured Gas Plant Site
<br /> Stockton, California
<br /> Actual Cummulative
<br /> Task 1 Task 2 Task 3 Task 4 Task 5 Estimated DTSC' Oversight Costs NPV'
<br /> Annual
<br /> Annual Biennial Cap/Deed Monitoring Cap/Deed
<br /> 30-year Groundwater MNA4 Restrictions Estimated Cap 5-year Report Restrictions 5-year Estimated Annual
<br /> Review Inspection Review Total Cost Discount
<br /> Costing Monitoring & Sampling & Inspection Maintenance Review •
<br /> Schedule Reporting3 Evaluation and /e
<br /> (Tasks 1 Review (Task 5) by Year Rate: 7 and 2) (Task 3)
<br /> Reporting3
<br /> 2005 $22,600 $3,600 $200 $2,300 $400 $29,100 $29,100
<br /> 2006 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $59,848
<br /> 2007 $22,600 $3,600 $200 $2,300 $400 $29,100 $85,265
<br /> 2008 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $112,121
<br /> 2009 $22,600 $3,600 $10,000 $5,000 $2,300 $400 $500 $44,400 $145,993
<br /> 2010 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $169,451
<br /> 2011 $22,600 $3,600 $200 $2,300 $400 $29,100 $188,841
<br /> 2012 $22,600 $3,500 $3,600 1 $200 $2,600 1 $400 $32,900 $209,330
<br /> 2013 $22,600 $3,600 $200 $2,300 $400 1 $29,100 $226,266
<br /> 2014 $22,600 $3,500 $3,600 $30,000 $5,000 $2,600 $400 $500 $68,200 $263,362
<br /> 2015 $22,600 $3,600 $200 $2,300 $400 $29,100 $278,155
<br /> 2016 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $293,786
<br /> 2017 $22,600 $3,600 $200 $2,300 $400 $29,100 $306,707
<br /> 2018 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $320,359 •
<br /> 2019 $22,600 $3,600 $10,000 $5,000 $2,300 $400 $500 $44,400 $337,578
<br /> 2020 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,900 $349,503
<br /> 2021 $22,600 $3,600 $200 $2,300 $400 $29,100 $359,360
<br /> 2022 $22,600 $3,500 1 $3,600 $200 $2,600 $400 $32,900 $369,775
<br /> 2023 $22,600 $3,600 $200 $2,300 $400 $29,100 $378,385
<br /> 2024 $22,600 $3,500 $3,600 $10,000 $5,000 $2,600 $400 $500 $48,200 $391,712
<br /> 2025 $22,600 $3,600 $200 $2,300 $400 $29,100 $399,232
<br /> 2026 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,9001$420,687
<br /> 07,178
<br /> 2027 $22,600 $3,600 $200 $2,300 $400 $29,10013,746
<br /> 2028 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,9002029 $22,600 $3,600 $30,000 $5,000 $2,300 $400 $500 $64,40033,3832030 $22,600 $3,500 $3,600 $200 $2,600 $400 $32,90039,445
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