Which of the following should not be included in quality test results for fuel?

Quality test results for fuel focus on parameters directly affecting the fuel's performance and safety. Density measurements assess the mass per unit volume of the fuel, which is crucial for understanding its energy content and how it will behave in engines. Water content levels indicate the presence of moisture, which can lead to engine corrosion and fuel degradation. Contaminant analysis identifies impurities that can affect fuel quality and engine performance.

In contrast, employee performance reviews are unrelated to the chemical and physical properties of the fuel. While workforce competency is essential for overall operations and safety protocols, it does not directly impact the quality of the fuel itself and therefore should not be included in the results of fuel quality tests. This distinction is important to maintain focus on relevant quality metrics when assessing fuel for usage or compliance with standards.