Which of the following is NOT a factor in determining UST inspections?

Determining the factors that affect UST inspections is crucial for ensuring environmental safety and regulatory compliance. One significant aspect is the type of product stored in the UST. Certain products may have different risks associated with them, which can influence inspection frequency and requirements. Similarly, the age of the tank plays a critical role since older tanks might be more susceptible to leaks or failures, necessitating more frequent inspections. Additionally, a facility's previous compliance history can indicate how well the UST has been managed in the past and can influence future inspection protocols.

In contrast, the color of the tank does not impact its functionality, safety, or compliance with regulations. While visual aspects like color might be relevant for aesthetic or branding purposes, they do not influence the integrity of the tank or the potential for environmental hazards. Therefore, this factor is not considered in the determination of UST inspections.