Nail Glossary by NailMOB

Nail Industry Encyclopedia & Definitions

Definition of Permissible Exposure Limit (Pel)

  1. Parts per million (PPM) inhaled exposure limit of a substance. The amount of a substance in the air that can be breathed in a normal 40 hour week by most people without experiencing adverse health effects.

Added to the Nail Glossary on November 10, 2016

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