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North Rhine-Westphalia

Ammonia leakage in Witten

By Pia Pietsch

Published September 30, 2026

Ammonia leakage in Witten

After a leak of hazardous substances at a plant in Witten, two employees of an industrial company had to go to the hospital.

Image source: Fernandez / News4 Video-Line TV

Leakage of hazardous substances in Witten

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Biting odor triggers large-scale deployment

Last Update:

01/10/2026, 01:39

A strong, biting smell triggered a major firefighting operation in Witten on Wednesday evening. Around 60 emergency personnel went out to an industrial plant in the district of Hammertal. Six employees were examined by the ambulance service, two of them came to the hospital as a precaution. The emergency services gave the all-clear after air measurements.

By Pia Pietsch

The fire brigade cordoned off the factory premises and initially had the building completely evacuated. During measurements around the plant and in the surrounding area, a low concentration of ammonia was initially found.

Together with the technical manager of the company, the cause was then sought. Openly, a minimal, production-related gas leakage had occurred for a short time. However, a leak could be ruled out.

Fire brigade ventilates workshop

The factory hall was then ventilated. The fire brigade also generated a fine spray on the road to remove the remaining vapours from the air. According to the fire brigade, the measures had a rapid effect.

Leakage of hazardous substances in Witten

WDR

01.10.2026.

35 sec

Available until 30.09.2028.

WDR Online.

Start audio, cancel with escape

The use was supported by a special measuring vehicle from Gevelsberg. This enabled the operations management to continuously monitor the situation. After about three hours, the site was handed over to the plant's technical manager. During the deployment, the volunteer fire brigade and the situation service ensured basic protection for the urban area.

Sources:

Fire brigade Witten

Broadcast: WDR.de, Hazardous substance leakage in Witten, 01.10.2026, 01:10

police, fire department

ENNEPE-RUHR-KREIS

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Source: WDR.de