; (ii) the number of customers in the State; (iii) population density in areas with gas distribution pipeline; (iv) the age of the gas distribution system in the State; and (v) environmental factors, including relevant geological issues. . 3. Emergency response plans Section 60102 of title 49, United States Code, is amended by adding at the end the following: (q) Emergency response plans Not later than 1 year after the date of the enactment of this subsection, the Secretary shall promulgate regulations to ensure that each emergency response plan under section 192.615 of title 49, Code of Federal Regulations (or successor regulations), developed by an operator of a distribution pipeline includes written procedures for— (1) establishing communication with fire, police, and other relevant public officials as soon as practicable, but not later than 30 minutes, after a gas pipeline emergency that— (A) includes fires, explosions, or one or more fatalities; or (B) results in the shutdown of gas service to more than 100 customers; (2) establishing public communication as soon as practicable and in consultation with fire, police, and other public officials after a gas pipeline emergency that— (A) includes fires, explosions, or one or more fatalities; or (B) results in the shutdown of gas service to more than 100 customers