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SOILS INFORMATION <br /> Rule 6.4.9 of the Mineral Rules and Regulations requires the Applicant to provide a map or <br /> statement regarding the general type, thickness and distribution of soils over the affected <br /> lands,to address the suitability of topsoil for establishment and maintenance of plant growth <br /> during reclamation. However, as described in Exhibit E, reclamation of the Area 1 mined <br /> lands is fulfilled by the installation and certification of the disposal cell bottom liner systems <br /> and does not rely on the availability or suitability of topsoil for reclamation. Area 2, while <br /> not mined,will be graded and revegetated during reclamation. <br /> The use of topsoil and organic soils is ideal for the final cover system proposed for the landfill, <br /> and also is noted as desirable in Exhibit E as related to the reclamation of mined areas that <br /> are disturbed but not reclaimed. A copy of a Soil Resource Report for Castle Rock Area, <br /> Colorado (June 2024) targeting the Sedalia Land Company property was obtained from the <br /> US Department of Agriculture, Natural Resources Conservation Service website <br /> (wx�7w.websoilsurvey.nres.usda.gov) and reviewed during preparation of this Plan. The soils <br /> report identifies little or no discernable topsoil or organic soils in the upper soil column,with <br /> most soils identified in the report being well-drained sandy loams, sands, or sandy gravely <br /> loams, which may support limited native vegetation in the semi-arid climate of Douglas <br /> County. <br /> Finally, note that future revegetation of the closed landfill and support facilities (i.e., <br /> disturbed areas,drainage features,ponds,etc.) are a component of the waste disposal permit <br /> issued by the CDPHE to the landfill and will be managed independent of the permitted mining <br /> activities. Revegetation activities are described in detail in the Grading, Erosion, and <br /> Sediment Control (GESC) for the property as permitted by Douglas County (and further <br /> discussed in Exhibit F) and within the landfill permit. Copies of the Douglas County GESC <br /> Plan Standard Notes and Details are included as Figure F-2 in this application. <br /> Weaver Consultants Group,LLC <br /> Q: WASTE CONNECTIONS SEDALIA EXPANSION 2024�DBMS 112 PERMIT�EXHIBIT I-SOILS INFORMATION.DOCX Rev.0,10/2025 <br /> I-1 <br />