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~ JRN 30 '96 01~14PM COLOWYO CORL <br />P.4i13 <br />~ COLORADO DEPARTMENT OF HEALTH <br />WATER QUALITY CONTROL COMMISSION <br />• I <br />TH~ BASIC STANDARDS FOR GROUND WATER <br />} ~ 3.11.0 . <br />~. <br /> <br />ADOPTED: January 5, 1987 <br />EFFECTIVE: March 2, 1887 <br />~ ', AMENDED: August 7, 1989 <br />EFFECTIVE: September 30, 1989 <br />1 AMENDED: September 11, 1990 <br />EFFECTIVE: October 30, 1980 <br />,. AMENDED: October 8, 1991 <br />EFFECTIVE: November 30, 1991 <br />• AMENDED: December 8, 1993 <br />EFFECTIVE: January 31, 1994 <br />AMENDED: February 8, 1994 <br />EFFECTIVE: March 30, 1994 <br />• AMENDED: January 10, 1885 <br />EFFECTIVE: March 2, 1995 <br /> <br />.. , j <br />