Laserfiche WebLink
the success criteria of Rules 4.15.8; (Rules 4.15.9;-ar and 4.15.10 fiave do not apply to <br />the Keenesburg Mine site) have been met, will be based on the following: <br />The presence of a minimum of seven perennial species: four (4) warm season <br />grasses, two (2) cool season grasses, and one (1) forb are present. No one species <br />will comprise a relative importance of greater than forty percent or less than three <br />percent. <br />E. The Division approved the reference areas which the applicant selected based on the <br />requirements of Rule 4.15.7{3). <br />F. The reference areas will be utilized to determine revegetation success in a manner <br />which the Division finds acceptable [Rule 4.15.7(4)]. Herbaceous cover and production <br />standards shall be met when the reclaimed sites exhibit not less than 90 percent as <br />compared to reference areas, at a 90 percent statistical confidence with aone-tailed test <br />(see Application, Sec 2.05.4, page 116b). [Rule 4.15.7(2)(d)] <br />XVI. Rule 4.16 Post-mining Land Use <br />The post-mining land use, Rangeland (Application, Sec 2.05.5, page 124) meets the criteria of <br />Rule 4.16.3. The site is classified as rangeland by the U.S. Department of Agriculture, <br />Natural Resources (Soil) Conservation Service, as shown on page 37 of the Application, <br />general soil map of Weld County, Colorado. The proposed postmining land use is compatible <br />with adjacent land use. Demonstrations of feasibility are not necessary. The proposed use will <br />not present actual or probable hazard to public health or safety nor pose actual or probable <br />threat of water flow diminution on pollution. The use will not involve unreasonable delays in <br />reclamation. No measures to prevent or mitigate adverse effects on fish, wildlife, and related <br />environmental values or threatened of endangered plants are necessary [Application, Sec <br />2.05.6 (2)]. <br />XVII. Rule 4.17 Air Resource Protection <br />Emission permits aee were administered by the Colorado Department of Public Health and <br />Environment (CDPHE). the-permit~nekudes-Air emission permits were canceled, and <br />reclamation activities were redesignated to Air Pollution Emission Notice (APEN) Required <br />status (CDPHE letter, December 16, 1996). ~cppertdi~t-$) <br />. "'` <br />30 18 February 1998 <br />