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~; <br />Given a not to exceed peak particle velocity and a known distance a maximum charge <br />weight per delay may be calculated using the above equations. Tables are attached to the <br />regression analyses in Appendix IV using the above equation to calculate maximum <br />allowable charge weight per delay at given distances given a not to exceed peak particle <br />velocity. Additional tables show peak particle velocities at given distances given a <br />charge weight. <br />The equations are in the expected range for this site. The data set has an excellent <br />correlation coefficient. A high degree of reliability may be placed on these results. <br />Conclusions <br />The regulatory limit of 5.0 inches per second peak particle velocity imposed at the <br />Meridian Oil Welt, Dry Creek Unit 3-22 requires the use of a scaled distance of 10.49. <br />Below is a table of particle velocities and their corresponding scaled distances. This <br />study statistically predicts the listed scaled distances will not exceed the corresponding <br />peak particle velocity. <br />Table 2: Peak particle velocity and Scaled Distance. <br />Peak Particle Velocity Seneca 2-W <br />(inches per second) Scaled Distance <br />0.75 27.88 <br />1.0 24.04 <br />1.25 21.43 <br />2.0 16.82 <br />3.0 13.65 <br />4.0 11.77 <br />5.0 10.49 <br />Attached in Appendix IV are tables listing maximum particle velocities at varying <br />distances for given charge weights. Corresponding tables list maximum allowable charge <br />weights per delay at varying distances given a peak particle velocity. <br />Sincerely, <br />Colin Matheson _ <br />Mining Engineer • <br />4 <br />