; and (2) any established record of successful collaborative planning and implementation of forest management projects by the collaborators. (d) Use of contractors To perform environmental analysis (1) In general As part of a covered active management project, or as a separate agreement or contract in connection with one or more covered active management projects, the Secretary may procure the services of persons who are not Federal employees to perform activities necessary to ensure project for compliance with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4331 et seq.) and the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.). (2) Approval requirement Services performed under this subsection are subject to approval by the Chief of the Forest Service or other responsible official of the Forest Service. (3) Funding source As provided in section 108(c)(2), the Secretary shall use forest active management revenues to cover the cost of services procured under this subsection. (e) Application of land and resource management plan (1) Modification authority The Secretary may modify the standards and guidelines contained in the land and resource management plan for the unit of the National Forest System in which the covered active management project will be carried out as necessary to achieve the requirements of this Act. (2) Harvesting system Section 6(g)(3)(E)(iv) of the Forest and Rangeland Renewable Resources Planning Act of 1974 ( 16 U.S.C. 1604(g)(3)(E)(iv) ) shall not apply to a covered active management project. (f) Use of all-Terrain vehicles for management activities The Secretary may allow the use of all-terrain vehicles within the Forest Active Management Areas for the purpose of activities associated with the sale of national forest materials in a Forest Active Management Area. 104. Environmental analysis process for covered active management projects (a) Environmental Assessment Except in the case of a covered active management project for which a categorical exclusion is available under