Which of the following is a requirement for a burial without a vault?

The requirement for a burial without a vault specifies that the top of the container must be no less than 2 and 1/2 feet from the surface. This depth is significant for several reasons, primarily related to health and environmental considerations. Burying at this specified depth helps ensure that the remains are adequately protected from potential disturbances from animals and natural elements, while also aligning with local regulations and health department standards.

Moreover, establishing a minimum depth for burial can help reduce the risk of exposing the remains to the surface during natural events or soil erosion, thereby maintaining the integrity of the burial site. This requirement reflects a balance between respecting the deceased and complying with established burial practices in the community.

The other options, while they involve important considerations for burial practices, do not specifically constitute the strict requirement for burials without a vault within the context of Connecticut's regulations. Understanding the specific regulations governing burial practices, including the stipulated dimensions for graves, is crucial for professionals in the field of embalming and funeral services.