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Mulching Technig_ues <br />Immediately after the areas have been topsoiled and seeded, straw mulch will be spread by <br />and and/or with a straw blower at a minimum rate of 2,000 lbs. per acre. Mulch will be <br />crimped or covered with a polypropylene erosion control netting. The best material for use <br />as mulch will be a native grass hay which is free of weeds. This mulch will not be moldy or <br />rotten. TCC will avoid using cereal grain mulches unless nothing else is available. <br />Irrigation <br />Irrigation is planned for the regraded and revegetated areas to help establish and maintain <br />plant growth consistent with the postmining land use. During the first few growing seasons, <br />_ a sprinkler system or a gated pipe system with contour creases may have to be utilized to <br />control erosion. After the vegetation is well established, flood irrigation techniques will be <br />employed. <br />Pest and Disease Control <br />The Delta County Noxious Weed website has been consulted regazding a Noxious Weed <br />Program. Disturbed areas, topsoil stockpiles and reclaimed/seeded areas could be invaded by <br />the following noxious weed species with control afforded by the described techniques. <br />Musk, Scotch Thistles, Burdock, Houndstongue, Tamarisk, Puncturevine -Controlled by <br />BanveU2,4-D mixture, Curtail or Redeem Herbicides and non-ionic surfactant applied in <br />spring or early summer. <br />Canada Thistle, Russian, Diffuse and Spotted Knapweeds, Yellow Toadflax and Oxeye <br />Daisy, Bindweed -Controlled by Curtail or Redeem Herbicides and surfactant applied in <br />Spring or Fall. <br />White Top -controlled by Escort or Telar herbicides with surfactant in the spring. <br />Leafy spurge -Controlled by Tordon in spring or early summer. <br />The herbicides and surfactant will be applied in accordance with the individual label <br />requirements using a hand held or backpack or pickup/ATV mounted sprayer. <br />Care will be taken to avoid drift onto desirable species and to avoid windy conditions. <br />TCC will maintain records of herbicide use on the property for inspection by Division <br />personnel. The records will document: <br />-Date of Herbicide application <br />-Name and concentration of herbicide used <br />-Method of application <br />-Area sprayed <br />-Name of person that perfonned the spraying <br />MR-22 2.05-14R Rev. 2/06 <br />A PPROV6D <br />z~i~~oG <br />