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FIGURE 6 <br />Estimated Peak Ground Vibration <br />Rickert Property <br />U <br />N <br />c <br />.U, <br />O <br />m <br />c <br />O <br />C7 <br />Y <br />a <br />1.2- <br />1- <br />0.8- <br />0.6- <br />0.4- <br />0.2- <br />0 <br />0 <br />10 <br />Years of Mining <br /> <br /> <br />OSMRE STANDARD <br /> <br />GROUND VIBRATION LEVEL FROM MAXIMUM BLAST AT EXISTING QUARRY <br />GROUNp VIBRATION EVEL FROM M IMU B <br />Lq TAT W FLq S <br />GROUND VIBRATION LEVEL FROM TYPICAL BLAST AT DOWE FLAT <br />15 <br />i <br />20 <br />i <br />25 <br />• f Average Charge --H Maximum Charge <br />