International standards & norms
Our certificates at the Zielitz plant
Our products are certified according to international standards and norms. Here you can find our current certificates.
ISO 9001 Certificate
Zielitz plant, underground storage
Certificate Qualified Waste Management
Zielitz plant, underground storage
ISO 50001 Certificate
K+S Minerals and Agriculture GmbH
Kosher Certificate
K+S Minerals and Agriculture GmbH and Frisia Zout B.V.
ISO 9001 Certificate
Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant
Sicher mit System Certificate
Zielitz plant
ISO 9001 Certificate
Zielitz plant
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 Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
AQIS Certificate
Zielitz plant
ISO 9001 Certificate
Werra plant, Herfa-Neurode underground storage
ISO 9001 Certificate
Zielitz plant, underground storage
ISO 9001 Certificate
Werra plant, Hattorf, Unterbreizbach, Wintershall underground recovery
ISO 9001 Certificate
REKAL-Sigmundshall plant
ISO 9001 Certificate
Schmelzsalz-Herstellung Sigmundshall plant
Certificate Qualified Waste Management
Werra plant, Herfa-Neurode underground storage
Certificate Qualified Waste Management
Zielitz plant, underground storage
Certificate Qualified Waste Management
Werra plant, underground recovery
Certificate Qualified Waste Management
REKAL-Sigmundshall plant
Certificate Qualified Waste Management
K+S-Baustoffrecycling-GmbH, Sehnde
A-Futter Certificate
Braunschweig-Lüneburg plant
AISE Certificate
Ickenroth GmbH, Staudt
EC-Eco Certificate
Bernburg, Borth, Braunschweig-Lüneburg plant
EC-Eco Certificate
Frisia Zout B.V., Harlingen
EC-Eco Certificate
K+S-Czech-Republic-a.s., Olomouc
EC-Eco Certificate
Esco Benelux N.V., Diegem
GMP+ B1 Certificate
Kassel site
GMP+ B1 Certificate
Braunschweig-Lüneburg plant
GMP+ B1 Certificate
Frisia Zout B.V., Harlingen
IFS Food Certificate
Ickenroth GmbH, Staudt
IFS Global Markets Food Certificate
K+S Czech Republic a.s., Olomouc
ISO 14001 Certificate
Frisia Zout B.V., Harlingen
ISO 14001 Certificate
K+S Czech Republic a.s., Prague
ISO 50001 Certificate
K+S Minerals and Agriculture GmbH
Kosher Certificate
K+S Minerals and Agriculture GmbH and Frisia Zout B.V.
NF Certificate
Frisia Zout B.V., Harlingen
BAM Prüfungszeugnis
Kassel site
ISO 9001 Certificate
Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant
Sicher mit System Certificate
Zielitz plant
AQIS Certificate
Werra plant, Unterbreizbach site
AQIS Certificate
Werra plant, Hattorf site
ISO 9001 Certificate
Zielitz plant
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 Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
GMP Certificate
Werra plant, Wintershall site
Products
Potassium Chloride 99.9% KCl, Ph. Eur., USP
Potassium Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
AQIS Certificate
Zielitz plant
Certificate Entsorgungsfachbetrieb
REKS GmbH & Co. KG, Kassel
Sicher mit System Certificate
Hamburg plant (K+S Transport GmbH)
Sicher mit System Certificate
Werra plant with Hattorf, Wintershall and Unterbreizbach site
Sicher mit System Certificate
Neuhof-Ellers plant
ISO14001 Certificate
Tailings pile management (residue management), including the Hattorf and Wintershall tailings pile sites
ISO 9001 Certificate
K+S Minerals and Agriculture GmbH
IFS Food Certificate
Dombasle Cérébos
IFS HPC Certificate
Dombasle Cérébos
NF Certificate
Dombasle Saline
EC-Eco Certificate
K+S France SAS, Reims
EcoVadis Certificate
K+S Minerals and Agriculture GmbH
Sicher mit System Certificate
Zentrale Technik
GMP+ B3/B4 Certificate
K+S Minerals and Agriculture GmbH, Kalikai, Wismar; K+S Benelux NV/SA, Diegem; K+S France SAS, Reims; K+S Czech Republic a.s., Olomouc, Praha