Final answer:
The distance a 55-gallon waste drum must be from a fuels laboratory building depends on various factors and specific regulations which may vary. To ensure accuracy, one must consult OSHA, EPA standards, or local regulations.
Step-by-step explanation:
The question you are asking is related to safety regulations and guidelines that often pertain to engineering and environmental health and safety. Without specific regulatory standards or guidelines being referenced, it is impossible to give an exact answer as the required distance can vary based on the type of waste, local regulations, the building's fire safety measures, potential hazards, and more.
In many scenarios, guidelines for storage of potentially hazardous materials like a 55-gallon waste drum can come from agencies like the Occupational Safety and Health Administration (OSHA), the Environmental Protection Agency (EPA), or even state or local regulations, which may have specific requirements. For example, OSHA's regulations for flammable materials might be relevant if the waste is flammable. However, in some cases, site-specific safety plans or building codes might dictate the minimum distance.
Therefore, to accurately answer the question "At least how many feet from the fuels laboratory building must a 55-gallon waste drum be positioned?", it is necessary to consult the relevant regulations or guidelines.