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Table 2 Well Destruction Evaluation Lincoln Center Stockton,California Preliminary Well Destruction Selection Criteria Well Screened Zone Located within remedy Used for remedy performance Provides groundwater flow information Will destruction activities impact wells Assessemnt In MRP/GWMP? Defines plume extent boundary? Destroy Well? footprint? evaluation? relevant to remedy? used for remedy assessment? PZ-OOIA A Yes No No No NO No See below PZ-002A-1 A No No No No No No Yes PZ-002A-2 A No No No No No No Yes Piezometers located PZ-003A A No No No No No No Yes near edge of PZ-004A A Yes No No No No No See below monitoring network PZ-005A-1 A Yes No No No No No See below PZ-005A-2 A No No No No No No Yes PZ-011A A Yes No No No No No See below PZ-012A-1 A Yes No No No No No See below PZ-012A-2 A Yes No No No No No See below MW-OOIA A No No No No No No Yes MW-005A A No No No No No No Yes Wells previously MW-103A A No No No No No No Yes identified for MW-104A A No No No No No No Yes destruction(2020 MW-105A A No No No No No No Yes Request) MW-110A A No No No No No No Yes MW-111A A No No No No No No Yes MW-204B B No No No No No No Yes ERD-01 A/B No No Yes No No No See below ERD-02 A No No Yes No No No See below ERD-03 A/B No No Yes No No No See below ERD-04 A No No Yes No No No See below ERD-05 A No No Yes No No No See below ERD-06 A/B No No Yes No No No See below ERD-07 A No No Yes No No No See below ERD-08 A/B No No Yes No No No See below ERD-09 A/B No No Yes No No No See below ERD-10 A No No Yes No No No See below Well previously used ERD-11 A/B No No Yes No No No See below for ERD injections ERD-12 A No No Yes No No No See below ERD-13 A No No Yes No No No See below ERD-14 A No No Yes No No No See below ERD-15 A No No Yes No No No See below ERD-16 A No No Yes No No No See below ERD-17 A No No Yes No No No See below ERD-18 A No No Yes No No No See below ERD-19 A No No Yes No No No See below ERD-20 A No No Yes No No No See below ERD-21 A No No Yes No No NO See below ERD-22 A No No Yes No No No See below Preliminary If well is located within the remedyfoot rint and/or included in MRP/GWMP: Well Screened Zone Low or below MCL COC trends or not The well is damaged or ASSOSSemnt Is well redundant? monitored?' fouled?' Destroy Well? PZ-OOIA A No Yes No Yes Piezometers located PZ-004A A Yes Yes No Yes near edge of monitoring PZ-005A-1 A Yes Yes No Yes network PZ-011A A Yes Yes No Yes PZ-012A-1 A No Yes No Yes PZ-012A-2 A No Yes No Yes ERD-01 A/B No Yes No Yes ERD-02 A No Yes No Yes ERD-03 A/B No Yes No Yes ERD-04 A No Yes No Yes ERD-05 A No Yes No Yes ERD-06 A/B No Yes No Yes ERD-07 A No Yes No Yes ERD-08 A/B No Yes No Yes ERD-09 A/B No Yes No Yes ERD-10 A No Yes No Yes Well previously used ERD-11 A/B Yes Yes No Yes for ERD injections ERD-12 A Yes Yes No Yes ERD-13 A Yes Yes No Yes ERD-14 A Yes Yes No Yes ERD-15 A Yes Yes No Yes ERD-16 A Yes Yes No Yes ERD-17 A Yes Yes No Yes ERD-18 A Yes Yes No Yes ERD-19 A Yes Yes No Yes ERD-20 A Yes Yes No Yes ERD-21 A Yes Yes No Yes rE��ERD-22 A Yes Yes No Yes Notes: GWMP Sitewide Groundwater Monitoring and Reporting Plan(ERM,2015) MRP Monitoring and Reporting Program R5-2015-0012-013 issued May 30,2022 COCs Constituents of conccm The remedy footprint is defined as any well located within the treatment zone.Per General Waste 1 Discharge Requirement MRP guidance,the extent of the treatment zone is where In Situ Chemical Oxidation has been or is proposed to be applied 2 Low or below MCL COC concentrations for approximately 2 years. 3 Well is damaged or fouled beyond repair.