How often should fuel samples be taken?

Fuel samples should be taken regularly according to established schedules and procedures because this approach ensures that the fuel quality is consistently monitored and maintained. Regular sampling is critical in identifying any contamination, degradation, or other issues that can affect fuel performance and safety.

Scheduled sampling helps in adhering to industry standards and regulations, which often dictate the frequency of testing based on the type of fuel, storage conditions, and usage. By following a systematic approach, users can prevent potential problems before they escalate, ensuring that the fuel remains fit for purpose. This practice leads to improved operational efficiency, reduced risks of equipment failure, and enhanced safety measures.

The other options suggest infrequent or haphazard testing methods, which may not adequately safeguard against fuel quality issues. For instance, annual testing may miss critical problems that can arise throughout the year, while testing only during inspections may not provide a comprehensive overview of fuel quality over time. Monthly sampling, while more frequent, may still not align with specific operational needs or standards that recommend a tailored schedule based on risk assessment and historical data.