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<br /> +: advice based on experience with the species to be prevent spreading to nearby areas;'and (3)to eliminate fire
<br /> k planted. hazard.
<br /> (c) Where surface mining activities result in (1) Protection measures, such 'as fencing of
<br /> compaction of the soil, ripping, disking, or other means revegetated areas and/or the placement of cages over
<br /> shall be used in areas to be revegetated to eliminate individual plants, shall be used in areas where grazing,
<br /> compaction and to establish k a suitable root zone in trampling, herbivory,or other causes threaten the success
<br /> preparation for planting, of the proposed revegetation. Fencing shall be maintained
<br /> (d) Prior to closure, all access roads, haul roads, and until revegetation efforts are successfully completed and
<br /> other traffic routes to be reclaimed shall be stripped of any the lead agency authorizes removal.
<br /> remaining roadbase materials,prepared in accordance with (m) Success of revegetation shall be judged based
<br /> subsection 3705(8), covered with suitable growth media upon the effectiveness of the vegetation for the approved
<br />€ or topsoil, and revegetated. When it is not necessary to end use, and by comparing the quantified measures of
<br /> L remove roadbase materials for revegetative purposes,lead vegetative cover, density, and species-richness of the
<br /> agencies may set a different standard as specified in reclaimed mined-lands to similar parameters of naturally
<br /> section 3700(b) of this Article. occurring vegetation in the area. Either baseline data or
<br /> (e) Soil analysis.shall be required to determine the data from nearby reference areas may be used as the
<br /> presence or absence -of elements essential for plant standard for comparison. Quantitative standards for
<br /> growth and to determine those soluble elements that may success and the location(s) of the reference area(s) shall
<br /> l be toxic to plants, if the soil has been chemically altered be set forth in the approved reclamation plan.
<br /> or if the growth media consists of other than.the native Comparisons shall be made until performance standards
<br /> topsoil. If soil analysis suggests that fertility levels or soil are met provided that,during the last two years,there has
<br /> constituents are inadequate to successfully implement the been no human intervention, including, for example,
<br /> ' revegetative program, fertilizer or other soil amendments irrigation, fertilization, or weeding. Standards for success
<br /> may be incorporated into the soil. When native plant shall be based on expected local recovery rates. Valid
<br /> t materials are used, preference shall be given to slow- sampling techniques for measuring success shall be
<br /> E f release fertilizers, including mineral and organic materials specified in the approved reclamation plan. Sample sizes
<br /> ( that mimic natural sources, and shall be added in amounts must be sufficient to produce at least an 80 percent
<br /> r similar to those found in reference soils under natural confidence level.There are standard statistical methods in
<br /> vegetation of the type being reclaimed. commonly available literature for determining an 80
<br /> (f) Temporary access for exploration or other short- percent confidence level on a site-by-site basis. Examples
<br /> term uses on and lands shall not disrupt the soil surface of such literature include, but are not limited to, D.
<br /> except where necessary to gain safe access. Barriers shall Mueller-Dombois and H. Ellenberg, 1974, "Aims and
<br /> be installed when necessary to gain safe access.•Barriers Methods of Vegetation Ecology", John Wiley and Sons,
<br /> shall be installed when necessary to prevent.unauthorized Inc., or C. D. Bonham, 1988, "Measurements for
<br /> vehicular traffic from interfering with the reclamation of Terrestrial Vegetation", John Wiley and Sons, Inc., and
<br /> temporary access routes. are available at many university libraries. The texts are
<br /> (g)Native plant species shall be used for revegetation, also available at some local libraries through the Inter-
<br /> except when introduced species are necessary to meet the Library Loan Program.
<br /> end uses specified in the approved-reclamation plan.Areas NOTE: Authority cited: Sections 2755, 2756 and 2773,
<br /> to be developed for industrial, commercial, or residential Public Resources Code. Reference: Section 2773, Public
<br /> 4 use shall be revegetated for the interim period, as Resources Code.
<br /> necessary, to control erosion. In this circumstance, non- § 3706. Performance Standards for Drainage,
<br /> III native plant species may be used if they are not noxious Diversion Structures, Waterways, and Erosion Control.
<br /> weeds and if they are species known not to displace (a) Surface mining and reclamation activities shall be
<br /> native species in the area. conducted to protect on-site and downstream beneficial
<br /> (h) Planting shall be .conducted during the most - uses -of water in accordance with the Porter-Cologne
<br /> favorable period of the year for plant establishment. Water Quality Control Act, Water Code section"!3000, et
<br /> Ii) Soil stabilizing practices shall be used where seq., and the Federal Clean Water Act, 33 U.S.C. section
<br /> necessary to control erosion and for successful plant 1251, et seq.
<br /> establishment. Irrigation may be used when necessary to (b) The quality of water, recharge potential, and
<br /> ^� establish vegetation. storage capacity of ground water aquifers which are the
<br /> (j) If irrigation is used, the operator must demonstrate source of water for domestic, agricultural, or other uses
<br /> that the vegetation has been self-sustaining without dependent on the water, shall not be diminished, except
<br /> irrigation for a minimum of two years prior to release of as allowed in the approved reclamation plan.
<br /> 1� the financial assurances by the lead agency, ,unless an (c) Erosion and sedimentation shall be controlled
<br /> artificially maintained landscape is consistent with the during all phases of construction, operation, reclamation,
<br /> approved end use. and closure of a surface mining operation to minimize
<br /> (k) Noxious weeds shall be managed: (1) when they siltation of lakes and watercourses, as required by the
<br /> threaten the success of the proposed revegetation; (2) to Regional Water Quality Control Board or the State Water
<br /> Resources Control Board.
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