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r <br />Figure 1. YEARS DWR WELL STANDARDS <br />BULLETINS IN EFFECT <br />YEARS BULLETINS IN EFFECT <br />WELL TYPE <br />1980 19901970 <br />I I I I I I 1 I~ <br />WATER <br />WELLS <br />/BULLETIN 74/~(1968 <br />-19~1) <br />BULLETINS <br />74-81* <br />& <br />MONITORING <br />WELLS <br />/ <br />*74-90 <br />(1991 -1) <br />CATHODIC <br />PROTECTION <br />WELLS <br />BULLETIN <br />74-1 <br />/ <br />/ <br />/, <br />*Both bulletins are now required for water well, monitoring well, and cathodic protection well standards. <br />-5- <br />BULLETIN ~ <br />74-81 1 <br />i/{1981 -