What does the acronym BETX stand for?

The acronym BETX refers to benzene, ethylbenzene, toluene, and xylenes, which are all aromatic hydrocarbons commonly found in petroleum products and solvents. These compounds are significant in various industrial applications, but they are also of concern regarding environmental pollution and health risks due to their potential toxicity and carcinogenic properties.

Understanding the components of BETX is crucial for topics related to environmental safety, fuel quality, and regulations concerning petroleum storage and handling. Recognizing these chemicals can help supervisors ensure compliance with environmental protection guidelines when working with heating oil tanks and similar systems. This knowledge is especially applicable when assessing the risks associated with leaks or spills, as these compounds can have severe implications for human health and the environment.

The other options represent combinations of hydrocarbons and other substances but do not accurately describe the BETX acronym. Therefore, the correct answer accurately reflects the relevant compounds involved, aligning with the occupational health and safety standards that are essential for supervising heating oil tank operations.