Traditional models for studying user acceptance and adoption of technology focused on the factors that identify and tested the relationships forged between the user and the technology in question. In emergency response, implementing technology without user acceptance may affect the safety of the responders and citizenry. Integrating the factors from technology acceptance models provided a foundation for extending technology acceptance into emergency response by combining the constructs of technology acceptance with emergency responder task considerations to understand user acceptance, adoption, and use of new chemical detection equipment. A non-experimental quantitative correlational design was used to examine data collected from two surveys involving 412 emergency responders from fire, police, and military agencies. Partial least squares (PLS) path modeling was used to identify and categorize relationships between the constructs and variables related to user acceptance of chemical detection equipment. The statistical evidence found that task/technology considerations had a positive relationship with both perceived usefulness (r = 0.527, T = 7.265, p < 0.01) and perceived ease of use (r = 0.594, T = 9.497, p < 0.01). Perceived ease of use had a positive relationship with perceived usefulness (r = 0.257, T = 2.982, p < 0.01). Both perceived usefulness and perceived ease of use had positive relationships with behavioral intention (r = 0.634, T = 5.587, p < 0.01; r = 0.245, T = 2.045, p < 0.01), respectively. Finally, behavioral intention had a positive relationship with actual use (r = 0.430, T = 5.032, p < 0.01). The goal of the study was to predict the acceptance, adoption, and use of a new technology following training and implementation in emergency response agencies. Analysis of the research data provided insight into the factors that influence the acceptance, adoption, and use of new technology. Extending technology acceptance to the field of emergency response provided a mechanism to understand user acceptance, technology adoption, effective use of chemical detection equipment, and improve public health and safety. Future research could explore additional antecedents of the task/technology considerations for response personnel, a construct that is crucial to the acceptance and usage of new chemical detection technologies. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]