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Houndstongue -Spring spraying (full coverage and spot) with mix of Escort, 2,4-D amine, and Activator 90 <br />(Plateau is alternative chemical) <br />Meadow knapweed -Not present <br />Salt cedar (tamarisk) -Not present <br />Russian olive -Not present <br />For large areas or significant weed infestations, TCC may utilize aweed-control contractor to achieve overall control <br />(typically over several years) and then utilize in-house resources (Environmental Staff, student interns, summer <br />students, contract labor) for ongoing maintenance control activities. TCC maintains an ATV with spray-tank, spray <br />bar, and hand-sprayer, as well as several backpack tank sprayers for weed control. Chemical control activities are <br />overseen by a U.S: EPA Certified Pesticide Applicator and pesticide storage, handling, and use procedures and personal <br />protective equipment are utilized to prevent potentially hazardous personal or environmental exposures. Where control <br />of extensive weed infestations results in limited vegetative cover or bare-ground, the affected areas will be either be <br />interseeded or ripped and seeded, dependent on site-specific conditions. <br />Evaluation of control effectiveness <br />Generally, in conjunction with the spring Envivonmental Management surveys, areas of previously identified and <br />treated noxious weed infestations are inspected and the effectiveness of control measures is evaluated based on <br />reduction or elimination of weed infestations. TCC's grazing lessees and any weed-control contractors also provide <br />similar information, based on their field observations. This information is utilized in the management planning process <br />to determine the need for continued treatment and to modify treatment method(s), if indicated, to improve their <br />effectiveness. <br />C DETERMINING REVEGETATION SUCCESS <br />Grazine <br />Land reclaimed as pastureland may be grazed by livestock during the liability period in order to augment the <br />livestock production capability of the adjacent ranch operation. If such grazing is conducted, a grazing <br />management plan will be implemented which will include flexible stocking rates and current livestock management <br />practices to ensure the appropriate level of annual forage consumption. <br />The guidelines suggested by the SCS (1976) will be used to formulate the proposed grazing management program. <br />Intensity and duration of use will be based upon growing conditions at the time grazing activities are initiated. <br /> <br />MR06-206 2.05-114c 04/13/06 <br />