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

AQIS Certificate

Werra plant, Hattorf site

Halal Certificate

Werra plant with Wintershall and Hattorf site, Zielitz plant
Products
Potassium Chloride 99.9% KCl, Ph. Eur., USP NUTRIKS® KaliSel NUTRIKS® Epsom Potassium sulfate 99.9% K2SO4, FCC, E515

ISO14001 Certificate

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

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

ISO 9001 Certificate

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

ISO 9001 Certificate

K+S Minerals and Agriculture GmbH

Kosher Certificate

K+S Minerals and Agriculture GmbH, K+S France SAS, Frisia Zout B.V.
Products
NUTRIKS® KaliSel NUTRIKS® Epsom NUTRIKS® Pure NUTRIKS® Prime APISAL® Potassium sulfate 99.9% K2SO4, FCC, E515

Certificate Qualified Waste Management

Werra plant, underground recovery

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site

Herfa-Neurode

ISO 9001 Certificate

K+S Minerals and Agriculture GmbH

Certificate Qualified Waste Management

Werra plant, Herfa-Neurode underground storage

Unterbreizbach

AQIS Certificate

Werra plant, Unterbreizbach site

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

ISO 9001 Certificate

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

Certificate Qualified Waste Management

Werra plant, underground recovery

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site

Wintershall

CEP

Werra plant, Wintershall site
Products
Potassium Chloride 99.9% KCl, Ph. Eur., USP

GMP Certificate

Werra plant, Wintershall site
Products
Potassium Chloride 99.9% KCl, Ph. Eur., USP

GMP+B1 Certificate

Werra plant, Wintershall site
Products
KaSa Mag98®

Halal Certificate

Werra plant with Wintershall and Hattorf site, Zielitz plant
Products
Potassium Chloride 99.9% KCl, Ph. Eur., USP NUTRIKS® KaliSel NUTRIKS® Epsom Potassium sulfate 99.9% K2SO4, FCC, E515

ISO14001 Certificate

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

ISO 50001 Certificate

K+S Minerals and Agriculture GmbH

ISO 9001 Certificate

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

ISO 9001 Certificate

K+S Minerals and Agriculture GmbH

Kosher Certificate

K+S Minerals and Agriculture GmbH, K+S France SAS, Frisia Zout B.V.
Products
NUTRIKS® KaliSel NUTRIKS® Epsom NUTRIKS® Pure NUTRIKS® Prime APISAL® Potassium sulfate 99.9% K2SO4, FCC, E515

Certificate Qualified Waste Management

Werra plant, underground recovery

Sicher mit System Certificate

Werra plant with Hattorf, Wintershall and Unterbreizbach site