; (B) to reduce hazardous fuels; or (C) to improve wildlife and aquatic habitat. (2) Activities authorized The following forest management activities may be carried out pursuant the categorical exclusion established under subsection (a): (A) Timber harvests, including commercial and pre-commercial timber harvest, salvage harvest, and regeneration harvest. (B) Hazardous fuels reduction. (C) Prescribed burning. (D) Improvement or establishment of wildlife and aquatic habitat. (E) Stream restoration and erosion control. (F) Road and trail decommissioning. (c) Availability of categorical exclusion On and after the date of the enactment of this Act, the Secretary concerned may use the categorical exclusion established under subsection (a) in accordance with this section. (d) Acreage limitations A forest management activity covered by the categorical exclusion established under subsection (a) may not contain treatment units exceeding a total of 6,000 acres. (e) Limitations on road building (1) Permanent roads A forest management activity covered by the categorical exclusion established by subsection (a) may include— (A) the construction of permanent roads not to exceed 3 miles