SECTION 1. Subparagraph (1) of paragraph (B) of section 5K of chapter 111 of the general laws, as appearing in the 2010 Official Edition, is hereby amended by inserting after the first sentence the following sentence:- The monitoring stations shall be set throughout a 20 mile radius of the nuclear power plant, which shall also include cities and towns located in Barnstable, Dukes and Nantucket counties, as well as in the area known as Cape Ann in Essex county.

SECTION 2. Paragraph (F) of said section 5K of said chapter 111, as so appearing, is hereby amended by striking out the first sentence and inserting in place thereof the following sentence:- The department of public health shall stockpile thyroid-blocking agents according to regulations promulgated by the department for cities and towns located within a 20 mile radius of a nuclear power plant, which shall also include cities and towns located in Barnstable, Dukes and Nantucket counties, as well as in the area known as Cape Ann in Essex county. 

SECTION 3: Said section 5K of said chapter 111, as so appearing, hereby amended by adding the following paragraph:-

(I) The plume exposure pathway emergency planning zone, as defined in  44 C.F.R. section 350.2,  shall be the area located within a 20 mile radius of the nuclear power plant, which shall also include cities and towns located in Barnstable, Dukes and Nantucket counties, as well as in the area known as Cape Ann in Essex county.  Predetermined protective action plans shall be in place for the Plume Exposure Pathway Emergency Planning Zone which shall include sheltering and evacuation details.”

SECTION 4.  The department of public health shall promulgate rules and regulations to implement the provisions of sections 1 to 3, inclusive, within 180 days of the effective date of this act.