"The tragedies at Columbine High School in 1999 and Virginia Tech in 2007 made the phrase 'active shooter' part of the lexicon of organizational safety and security. Active shooter incidents have occurred in shopping malls, schools, government buildings, and a wide range of business facilities, including factories, warehouses, and company offices. Unlike a barricaded suspect, an active shooter is on the move with an unknown destination and is difficult to isolate. In the event of an active shooter incident, chemical facilities have unique and specific considerations that must shape preparedness and response protocols. DHS has worked with its partners and security experts within the Chemical Sector to develop this booklet. The booklet draws upon best practices and findings from participants in active shooter tabletop exercises. It presents key guidance for chemical facility planning and training, and poses specific questions that an effective active shooter response and recovery plan will answer. It is designed to help both chemical facility management and employees prepare and respond by designating roles and needed actions. Employees and management who understand their respective roles during an incident can positively influence response. […] The information included in this booklet is not exhaustive, but meant as an introduction applicable for both regulated and non-regulated facilities. The material does not constitute a regulatory requirement, nor is it intended to conflict, replace, or supersede existing regulatory requirements or create any enforcement standard."
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