ASNT Industrial Radiography Radiation Safety Practice Test

Why are film badges and TLDs processed by a National Voluntary Laboratory Accreditation Program (NVLAP) lab?

1. For personal identification

2. To ensure accurate radiation measurements

3. To comply with local laws

4. For environmental monitoring

The correct answer is: To ensure accurate radiation measurements

Film badges and thermoluminescent dosimeters (TLDs) are processed by a National Voluntary Laboratory Accreditation Program (NVLAP) lab specifically to ensure accurate radiation measurements. NVLAP-accredited labs adhere to stringent quality control and calibration procedures established by the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO). This accreditation assures that the measurements obtained from these devices are reliable and meet established standards for accuracy. Accurate radiation measurement is essential for personal dosimetry, as it helps monitor exposure levels for individuals who work in environments where they may be exposed to ionizing radiation. Ensuring the precision of these measurements protects workers by informing them about their radiation exposure and aiding in compliance with regulatory limits designed to ensure safety. Accurate dosimetry also plays a vital role in the evaluation and implementation of radiation safety programs.