A "Disciplined Approach to Emergency Response" (DA) is a data gathering and decision making process to aid responders in handling hazardous materials / dangerous goods emergencies in a logical and methodical manner. It provides a common process to assist trained emergency responders from different backgrounds, focus on incident analysis and management and it facilitates management by objectives within an incident management system. A chart, which can be downloaded from this section summarizes the process.The Disciplined Approach to Emergency Response web site http://www.DA2ER.info provides additional background information on DA, links to training materials and resources and instructions for purchasing Disciplined Approach charts. The web site also provides links to a DA2ER blog and DA2ER on Twitter help users keep up to date on new developments and upcoming training. Information on A Disciplined Approach to Emergency Response is provided by Mackay Emergency Management Consulting Inc. http://memci.ca as a community service to emergency response personnel.