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<br />-36- <br />Climatological Information and Air <br />n <br />u <br />sources - Rules 2.04.8 <br />Information pertaining to climatology is presented in Section II.E, pages 1 <br />through 4 of Volume 2 of the Deserado Mine permit application. The <br />permittee's air pollution control plan and copies of the approved emissions <br />permits for the Deserado Mine are contained in Section IV.L, pages IV-54 <br />through 72 of Volume 4 of the application. <br />The climate of the area is semi-arid and is characterized by a large amount of <br />sunshine, moderate humidities, moderate temperatures with large daily and <br />annual ranges, and low amounts of precipitation. <br />The average precipitation in Rangely is between 9 and 10 inches per year. <br />This precipitation is distributed evenly throughout the year. <br />The average winter temperature near Rangely is 29°F and the temperature for <br />the summary months averages 68°F. The frost free period is about 110 days. <br />Winds in the vicinity of the mine are topographically controlled by the <br />northwest-southeast trend of Scullion Gulch and the northeast-southwest trend <br />of the White River. <br />The permittee has applied for and received all necessary air emissions permits <br />for construction and mine operation from the Colorado Department of Health - <br />Air Pollution Control Division. <br />The operation is in compliance with the requirements of this section. <br />XI. Soils - Rules 2.04.9, 2.05.3(5), 2.05.4(2)(d) and 4.06 <br />Information pertaining to soils resources in the area of the Deserado Mine is <br />presented in Section II.I, pages 1 through 54 of Volume 3 of the permit <br />application. Maps 6 and 7 in Volume 5 of the application depict the location <br />and configuration of all soil types occurring within areas to be affected by <br />surface operations and facilities. The permittees topsoil handling plan is <br />presented in Section V.H, pages 32 to 35 of Volume 4 of the permit application. <br />The permittee has submitted information on soils of the area that was <br />collected during the summer and fall of 1980. The soil survey information <br />conforms to the standards required by the Division. <br />Suitability of the soils is based on criteria established in Wyoming <br />Department of Environmental Quality Guideline No. 1. There will be sufficient <br />material to replace a layer of about 4 to 24 inches in average thickness over <br />the affected areas. Shallow depths of topsoil replacement will occur along <br />ridgetops that were disturbed by road building. Other areas will average 12 <br />to 18 inches of replaced topsoil (Section II.I, Page II.I-30). <br />It is stated in the plan (Vol. 3, pg. II.I-12) that the waste from the mining <br />operation will be covered with four feet of non-toxic material which in turn <br />will be topsoiled and vegetated. The material to be used is the subsoil or <br />substrata underlying the topsoil in the waste disposal areas. <br />