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Figure 1. YEARS DWR WELL STANDARDS <br /> BULLETINS IN EFFECT <br /> WELL TYPE YEARS BULLETINS IN EFFECT <br /> 1970 1980 1990 <br /> WATER BULLETIN 74 <br /> 1968 - 1981 <br /> WELLS BULLETIN <br /> 74-81 <br /> 0981 - 1991) BULLETINS <br /> MONITORING 74-81 <br /> WELLS <br /> 74- 0 <br /> (1991 - } <br /> CATHODICBULLETIN <br /> PROTECTION 74- 1 <br /> WELLS (1973 - 1991� <br /> Both bulletins are now required for water weft, monitoring well, mirid cathodic pratection well stnndarda. <br /> — <br />