; (B) to provide an opportunity for use of forest materials damaged as a result of the catastrophic event; or (C) to provide a funding source for reforestation and other restoration activities for the National Forest System land impacted by the catastrophic event. (7) Secretary The term Secretary means the Secretary of Agriculture (acting through the Chief of the Forest Service). 202. Categorical exclusion to expedite certain critical response actions (a) Availability of categorical exclusion A categorical exclusion is available to the Secretary to develop and carry out a forest management activity on National Forest System land in any case in which the primary purpose of the forest management activity is— (1) to address an insect or disease infestation; (2) to treat land at risk of insect or disease infestation; (3) to reduce hazardous fuel loads; (4) to protect a municipal water source; (5) to maintain, enhance, or modify critical habitat to protect the habitat from catastrophic disturbances; (6) to increase water yield; or (7) any combination of the purposes specified in paragraphs (1) through (6). (b) 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 granted by subsection (a) may not contain harvest units exceeding a total of 5,000 acres. (2) Larger areas authorized A forest management activity covered by the categorical exclusion granted by subsection (a) may not contain harvest units exceeding a total of 15,000 acres if the forest management activity is— (A) developed through a collaborative process; (B) proposed by a resource advisory committee (as defined in section 201 of the Secure Rural Schools and Community Self-Determination Act of 2000 ( 16 U.S.C. 7121 ))