International standards & norms

Our certificates at the Werra plant

Our products are certified according to international standards and norms. Here you can find our current certificates.

Hattorf

Kosher Certificate

K+S Minerals and Agriculture GmbH and Frisia Zout B.V.

ISO 9001 Certificate

Werra plant, Hattorf, Unterbreizbach, Wintershall underground recovery

Certificate Qualified Waste Management

Werra plant, underground recovery

Halal Certificate

Werra plant with Wintershall and Hattorf site, Zielitz plant

AQIS Certificate

Werra plant, Hattorf site

ISO 9001 Certificate

Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

ISO14001 Certificate

Tailings pile management (residue management), including the Hattorf and Wintershall tailings pile sites

Herfa-Neurode

Certificate Qualified Waste Management

Werra plant, Herfa-Neurode underground storage

ISO 9001 Certificate

Werra plant, Herfa-Neurode underground storage

Unterbreizbach

ISO 9001 Certificate

Werra plant, Hattorf, Unterbreizbach, Wintershall underground recovery

Certificate Qualified Waste Management

Werra plant, underground recovery

AQIS Certificate

Werra plant, Unterbreizbach site

ISO 9001 Certificate

Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

Wintershall

Kosher Certificate

K+S Minerals and Agriculture GmbH and Frisia Zout B.V.

ISO 9001 Certificate

Werra plant, Hattorf, Unterbreizbach, Wintershall underground recovery

Certificate Qualified Waste Management

Werra plant, underground recovery

Halal Certificate

Werra plant with Wintershall and Hattorf site, Zielitz plant

CEP

Werra plant, Wintershall site

ISO 9001 Certificate

Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site

GMP+B2 Certificate

Werra plant
Products
KaSa Mag98®

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

ISO14001 Certificate

Tailings pile management (residue management), including the Hattorf and Wintershall tailings pile sites