Dieldrin: MAK Value Documentation, addendum - Translation of the German version from 2023

Area of Science:

• Environmental toxicology
• Occupational health and safety

Background:

• Dieldrin is an organochlorine insecticide previously used for pest control.
• Its use is now banned in the European Union due to environmental and health concerns.
• Existing documentation for its MAK (Maximale Arbeitsplatz-Konzentration) value is outdated.

Purpose of the Study:

• To reassess the current data situation regarding dieldrin.
• To determine the priority for a new evaluation of dieldrin by the MAK Commission.
• To update the classification and occupational exposure limits for dieldrin.

Main Methods:

• Review of current toxicological and environmental data on dieldrin.
• Assessment of the relevance and quality of available scientific literature.
• Evaluation by the MAK Commission to decide on re-evaluation priority.

Main Results:

• The MAK Commission concluded that a new evaluation of dieldrin is not a high priority.
• Current data does not necessitate an update to the existing MAK value documentation.
• The MAK value and other classifications for dieldrin are suspended.

Conclusions:

• Dieldrin's MAK value and classifications are suspended due to a lack of high-priority re-evaluation.
• The substance is now listed in Section II abbitc of the List of MAK and BAT Values.
• This reflects a status of no longer being evaluated by the commission based on current data.