Which of the following Acts outlines requirements for human health and safety in agricultural buildings?

The National Farm Building Code of Canada is the appropriate choice as it specifically addresses requirements related to human health and safety in agricultural buildings. This code provides guidelines and standards to ensure that buildings used for agricultural purposes are designed and constructed in a way that protects the health and safety of those who work in and around them. It includes provisions for aspects such as ventilation, fire safety, structural integrity, and sanitation, all of which are critical for maintaining a safe working environment in agricultural settings.

In contrast, the other options do not focus specifically on the agricultural sector or on health and safety requirements related to agricultural buildings. The Dower Act and the Dower Rights Mitigation Act deal with property rights and inheritance issues, while the Canadian Environmental Protection Act primarily addresses environmental protection and pollutants, rather than the specific safety standards necessary for agricultural construction. Thus, while all of these acts have their importance, only the National Farm Building Code of Canada directly pertains to the health and safety requirements needed for agricultural buildings.