; (B) wildlife habitat loss; and (C) other economic and social factors. B Categorical Exclusions 111. Categorical exclusion to expedite certain critical response actions (a) Categorical exclusion established Forest management activities described in subsection (b) are a category of actions hereby designated as being categorically excluded from the preparation of an environmental assessment or an environmental impact statement under section 102 of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332 ). (b) Forest management activities designated for categorical exclusion The forest management activities designated under this section for a categorical exclusion are forest management activities carried out by the Secretary concerned on National Forest System lands or public lands where the primary purpose of such activity is— (1) to address an insect or disease infestation; (2) to reduce hazardous fuel loads; (3) to protect a municipal water source; (4) to maintain, enhance, or modify critical habitat to protect it from catastrophic disturbances; (5) to increase water yield; (6) produce timber; or (7) any combination of the purposes specified in paragraphs (1) through (6). (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 (1) In general Except in the case of a forest management activity described in paragraph (2), a forest management activity covered by the categorical exclusion established under subsection (a) may not contain treatment units exceeding a total of 10,000 acres. (2) Larger areas authorized A forest management activity covered by the categorical exclusion established under subsection (a) may contain treatment units exceeding a total of 10,000 acres but not more than a total of 30,000 acres if the forest management activity— (A) is developed through a collaborative process