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C-81-018: RN-02: B. Pavlik 4 __ tZSz Nmin (4'X)t t= 2 tailed t-test factor for ~ degrees of freedom, at 90% confidence level. S= Standard deviation d= 0.1 x= sample mean Western Fuels should resubmit this page with the corrected formula. 9) Likewise, a printing error has rendered Western Fuel's Least Significant Difference formula invalid. (old pg V-66, this page is also missing from the public permit) Although, the Least Significant Difference formula is derived from the Student's t- distribution formula, which is the formula the Division recommends in our guidelines, the sample size between the two treatments needs to be the same. (Statistical Inference I Li, Jerome C. R. 1964). The Least Significant Difference is mostly used when you are comparing more than two treatments. Western Fuels should explain the benefit of using this methodology over the Student's t-distribution. Commitments Barb, you may want to check that some of these commitments have been entered into the database as commitments, or you may just want to be aware of them. Often they will have formerly been attached to the permit as stipulations, then the operator incorporates them into the permit text and they get overlooked or forgotten. They do not need any response from the operator. * Pg IV-50; formerly a stipulation: Buffer zone along scullion gulch for eagle nesting season. No activity from 3/1 to 6/1 in sections 3 S~/z, SEA/a, El/s SEA/a SWt/a ,Section 10 NEB/a NEB/a of Township 2N Range lO1W 6th P.M. * Repeatedly throughout the Wildlife plan section (IV.M) Western Fuel's talks about assuring that employees not carry firearms to and from work. Do they really enforce this? They do restrict hunting on their property, but..... * Commitment: If during the course of mining operations previously unidentified cultural and historic resources are discovered, Western Fuels-Utah will insure that the site is not disturbed prior to its proper evaluation in terms of the National