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State of California <br /> APPENDICES EDMUND G. BROWN JR., GOVERNOR <br /> Page The Resources Agency <br /> Appendix A - Definition of Terms . . . . . . . . 59 HUEY D. JOHNSON, Secretary for Resources <br /> Appendix B - Suggested Methods for Sealing Department of Water Resources <br /> the Annular Space and For RONALD B. ROBIE, Director <br /> Seali Z-Off Strata. . . . . . . . . . . . 65 <br /> Sealing the Annular Space . . . . . . . . . . . . . 67 CHARLES R. SHOEMAKER M. CATFtARINE BERGREN ROBERT W. JAMES <br /> General. . . . . . . . . . . . . . . . . . 67 Deputy Director Assistant Director Deputy Director <br /> Sealing Methods. . . . . . . . . . . . . . . . 68 <br /> Sealing-Off Strata. . . . . . . . . . . 70 MARY ANNE MARK GERALD H. MERAL <br /> Appendix C - Suggested Procedures for Deputy Director Deputy Director <br /> Disinfecting Wells. . . . . . 73 <br /> Appendix D - Collection of Water Quality Samples . . . . 79 DIVISION OF PLANNING <br /> Bacterial Sampling. . . . . . . . . . . . . . . . . 81 <br /> Chemical Sampling . . . . . . . . . . . . . . . . 81 Donald E. Owen . . . . . . . . . . . . . . . . . . .Chief <br /> Appendix E - Bibliography. . . . . . . . . . . . . . . . 83 <br /> FIGURES Charles A. McCullough.Chief, Environmental Measurement Branch <br /> Welby R Madsen .Chief, Water Resources Evaluation Section <br /> Number pale <br /> 1 Avenues of Entrance for Pollutants to Wells This report was prepared by <br /> 2 Interchange of Water Between Formations Via Wells . 6 Edwin A. Ritchie . . . . . . . .Senior Water Quality Engineer <br /> 3 Effect of Reversal of Ground Water Gradient . . . . 28 <br /> 4 Sealing Conditions for Upper Annular Space - with assistance by <br /> 'Unconsolidated and Soft, Consolidated Formations. 31 <br /> Sealing Conditions for Upper Annular Space - Barbara M. Goff. . . . . . . . . . . . . .Office Assistant II <br /> Hard Rock Formations and Gravel Packed Wells. . . 33 <br /> Typical Surface Construction Features . . . . 37 William G. McKane. . . . . . .Supervisor of Drafting Services <br /> Surface Construction Features,Community Water <br /> Supply Well . . . . . . . . . . . . . . . . . 38 <br /> 8 Sealing-Off Strata. 47 <br /> 9 Properly Destroyed Wells. 55 <br /> 10 Methods for Sealing the Annular Space . . . . . . . 69 <br /> 11 Methods for Sealing-Off Strata. . . . . . . . . . . 71 <br /> TABLES <br /> Number Page The portions of this report pertaining <br /> 1 Reports Issued Under Water Well Standards Program 10 to community water supply wells were prepared in <br /> 2 County Ordinances in California Concerning the <br /> Construction and Destruction of Wells . . . 13 cooperation with Clarence L. Young, Supervising <br /> County Ordinances in California With Limited <br /> Application to Wells. . . . . . . . . 14 Sanitary Engineer, California Department of Health <br /> 4 Volume of Water Pumped Continuously from <br /> Small Capacity Wells. . . . . . . . . . . . 16 Services, Sanitary Engineering Section. <br /> Organizations Submitting Written Comments on <br /> Draft of Bulletin 74-81 . . . . . . 20 <br /> Chlorine Compound Required to Dose 100feet <br /> (30 metres) of Water-Filled Casing at <br /> 50 Milligrams per Litre . . . . . . . . . . . . . 77 <br />