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TITLE 14 MINING AND GEOLOGY 3502 (Register 85,No.1&-64485) (p• 99) Resoiling. The process of artificially building or reconstructing a soil profile. Stream Bed Skimming. Excavation of sand and gravel from stream bed deposits above the mean summer water level or stream bottom,whichever is higher. Surface Mining Operations. In addition to the provisions of Section 2735 of the Act, borrow pitting, streambed skimming, segregation and stockpiling of mined materials (and recovery of same) are deemed to be surface.mining operations unless specifically excluded under Section 2714 of the Act or Section 3505 of these regulations. Temporarily Deactivated Operation. A surface mine that has been closed down and that the operator has maintained in the expectation of reopening it when the conditions justify. Topsoil.. The upper part of the soil profile that is relatively rich in humus, which is technically known as the A-horizon of the soil profile. NOTE:Authority cited:Section 2755,Public Resources Code. Reference:Sections 2726- 2735, Public Resources Code. HISTORY: 1. Repealer of former Section 3501,and renumbering and amendment of former Sec- tion 3502 to Section 3501 filed 4-29-85; effective thirtieth day thereafter (Register 85, No.18). For prior history,see Registers 82, No.33 and 79, No.35. 3502. The Reclamation Plan. (a) Objectives. Reclamation plans shall be developed to attain the objec- tives of Public Resources Code Section 2712(a)-(c). (b) Reclamation Plan Elements. In addition to the information required by Public Resources Code Section 2772, the following elements shall be included in the reclamation plan: (1) The environmental setting of the site of operations and the effect that possible alternate reclaimed site conditions may have upon the existing and future uses of surrounding lands. (2) The public health and safety,giving consideration to the degree and type of present and probable future exposure of the public to the site. (3) The designed steepness and proposed treatment of the mined lands'final slopes shall take into consideration the physical properties of the slope material, its probable maximum water content, landscaping requirements, and other factors.In all cases,reclamation plans shall specify slope angles flatter than the critical gradient for the type of material involved. Whenever final slopes ap- proach the critical gradient for the type of material involved,regulatory agen- cies shall require an engineering analysis of the slope stability.Special emphasis on slope stability and design shall be necessary when public safety or adjacent property may be affected. (4) Areas mined to produce additional materials for backfilling and grading, as well as settlement of filled areas,shall be considered in the reclamation plan. Where ultimate site uses include road ms,buildingg sites,or other improvements sensitive to settlement, the reclaation plans shall'include compaction of the fill materials in conformance with good engineering practice. i (5) Disposition of old equipment. (6) Temporary stream or watershed diversions. (c) Adequacy. In judging the adequacy of a particular reclamation plan in meeting the requirements described herein and within the Act,the lead agency. 1 i