What describes the process by which a hazardous chemical moves through a material on a molecular level?

The process that describes how a hazardous chemical moves through a material on a molecular level is permeation. In this context, permeation refers specifically to the movement of chemicals through a barrier, typically a protective material, such as gloves or suits. This process occurs at the molecular level, meaning that individual molecules pass through the material, potentially leading to contamination or exposure.

Permeation is an essential concept in understanding the effectiveness of personal protective equipment (PPE) against hazardous substances. It highlights the need for careful selection of materials based on their resistance to specific chemicals to ensure safety in environments where hazardous materials are present. Understanding this concept helps responders choose appropriate protective measures to prevent exposure to harmful substances.