Which method is essential for monitoring radiation levels?

Utilizing radiation detection instruments is crucial for monitoring radiation levels because these instruments provide accurate and quantifiable data about the presence and intensity of radiation. They are designed to detect different types of radiation, including alpha, beta, gamma, and neutron radiation, and can measure the radiation dose rates in real time. This objective measurement is vital for ensuring safety in environments where radiation exposure is a risk, as it allows for immediate assessment and response if levels exceed safe thresholds.

Other methods, such as visual inspection or relying solely on personal judgments, lack the precision and reliability required for radiation monitoring. Visual inspections might identify some obvious hazards but cannot detect non-visible radiological threats. Similarly, personal judgments can be subjective and may lead to misinterpretation of risk. Regular clean-ups can help maintain a safer working environment but do not provide a means to actively monitor and assess radiation levels. Thus, reliance on radiation detection instruments is essential for accurate monitoring and ensuring radiation safety.