; and (B) establish and adjust the threshold quantity for each chemical substance designated under subparagraph (A). (2) Matters for consideration In designating a chemical substance or establishing or adjusting the threshold quantity for a chemical substance under paragraph (1), the Secretary shall consider the potential extent of death, injury, and serious adverse effects to human health, the environment, critical infrastructure, public health, homeland security, national security, and the national economy that could result from a chemical facility terrorist incident involving the chemical substance. (b) List of covered chemical facilities (1) Criteria for list of facilities The Secretary may designate a chemical facility as a covered chemical facility if the Secretary determines the chemical facility is a sufficient security risk based on— (A) the potential threat or likelihood that the chemical facility will be a target of a chemical facility terrorist incident; (B) the potential extent and likelihood of death, injury, or serious adverse effects to human health, the environment, critical infrastructure, public health, homeland security, national security, or the national economy that could result from a chemical facility terrorist incident at the chemical facility