(NIST: Gaithersburg, MD) -- Ultraviolet (UV) light may seem like an invisible hero, quietly disinfecting our hospitals, curing our nail polish, and killing pathogens in our water. But how can we be sure it’s being used in ways that are safe and effective?

To help ensure that every UV beam serves its purpose with accuracy and precision, the National Institute of Standards and Technology (NIST) has rebuilt its specialized calibration laboratory, called the Ultraviolet Spectral Comparator Facility (UVSCF), where industry customers send their UV-detection equipment to be precisely measured and calibrated.

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