Brick Repacking and Cleaning (VIDEO)

National Institute of Standards and Technology (NIST)

Caption

Burns removed the powder to weigh it on a digital scale without the packaging. When she was done, the black light revealed that some particles had settled onto surfaces in her workspace. Some had also adhered to her gloves and were transferred by touch onto a marker and wash bottle. After Burns cleaned her workspace, the black light showed that her cleanup routine was effective. This is video number 3 of 3 in this series.

Credit

Sisco, Staymates/NIST

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