Section 4.35. Supplemental documents.

 

(1)   Supplemental environmental assessment.

(a) The commission shall prepare a supplement to an EA if, after it has prepared an EA but before it has made a final decision on the proposed action, it identifies any of the following conditions:

1. Substantial changes to the proposed action, or significant new circumstances, that have the potential to affect the quality of the human environment in a significant manner or to a significant extent not already considered in the EA.

2. New information about the proposed action's potential to affect the quality of the human environment in a significant manner or to a significant extent not already considered in the EA.

(b) Section PSC 4.20 applies to the preparation of a supplemental EA under par. (a) .

(c) Paragraph (a) does not apply if, following preparation of the initial EA, the commission chooses to prepare an EIS.

(2)   Supplemental environmental impact statement.

(a) The commission shall prepare a supplement to a draft EIS if, after it has prepared a draft EIS but before it has made a final decision on the proposed action, it identifies any of the following conditions:

1. Substantial changes to the proposed action, or significant new circumstances, that would affect the quality of the human environment in a significant manner or to a significant extent not already considered in the draft EIS.

2. New information about whether the proposed action would affect the quality of the human environment in a significant manner or to a significant extent not already considered in the draft EIS.

(b) Section PSC 4.30 applies to the preparation of the supplemental draft EIS under par. (a) .

(c) Following issuance of the supplemental draft EIS, the commission shall prepare a final EIS. If a condition specified in par. (a) 1. or 2. occurs after the commission has issued a final EIS but before it has made a final decision on the proposed action, the commission shall prepare both a supplemental draft EIS and a supplemental final EIS.

History: Cr. Register, June, 2000, No. 534 , eff. 7-1-00.