# Peak limitation – revised definition of the peak limitation categories: MAK Value Documentation, addendum – Translation of the German version from 2024

## TL;DR

A German commission updated how peak exposure limits for chemicals are categorized, focusing on the time it takes for health effects to occur.

## Contribution

The paper introduces a revised definition of peak limitation categories based on effect development time.

## Key findings

- The MAK Commission updated peak limitation categories to prioritize the time needed for health effects.
- The revised definition aims to improve the categorization of chemical exposure risks in the workplace.

## Abstract

The German Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) revised the definition of the peak limitation categories to emphasize that the time required for an effect to develop is decisive for the categorization.