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.
Certificate Qualified Waste Management
Zielitz plant, underground storage
ISO 9001 Certificate
Zielitz plant, underground storage
Halal Certificate
Werra plant with Wintershall and Hattorf site, Zielitz plant
Products
NUTRIKS® KaliSel
Potassium Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
Potassium Chloride 99.9% KCl, Ph. Eur., USP
NUTRIKS® Epsom
ISO 9001 Certificate
Zielitz plant
ISO 9001 Certificate
Werra plant with Hattorf, Wintershall, Unterbreizbach site; Sigmundshall plant; Zielitz plant
AQIS Certificate
Zielitz plant
ISO 50001 Certificate
K+S Minerals and Agriculture GmbH
Kosher Certificate
K+S Minerals and Agriculture GmbH and Frisia Zout B.V.
Sicher mit System Certificate
Zielitz plant
AISE Certificate
Ickenroth GmbH, Staudt
ISO 9001 Certificate
Werra plant, Hattorf, Unterbreizbach, Wintershall underground recovery
Certificate Qualified Waste Management
Werra plant, Herfa-Neurode underground storage
Certificate Qualified Waste Management
Werra plant, underground recovery
Certificate Qualified Waste Management
Zielitz plant, underground storage
EC-Eco Certificate
Bernburg, Borth, Braunschweig-Lüneburg plant
ISO 9001 Certificate
Zielitz plant, underground storage
IFS Food Certificate
Dombasle plant
IFS HPC Certificate
Dombasle plant
GMP+ B1 Certificate
Braunschweig-Lüneburg plant
NF Certificate
Dombasle plant
Halal Certificate
Werra plant with Wintershall and Hattorf site, Zielitz plant
Products
NUTRIKS® KaliSel
Potassium Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
Potassium Chloride 99.9% KCl, Ph. Eur., USP
NUTRIKS® Epsom
ISO 9001 Certificate
Zielitz plant
AQIS Certificate
Werra plant, Unterbreizbach site
GMP+B4 Certificate
Kalikai handling operations
AQIS Certificate
Werra plant, Hattorf site
Certificate Qualified Waste Management
REKAL-Sigmundshall plant
Sicher mit System Certificate
Hamburg plant (K+S Transport GmbH)
GMP+ B1 Certificate
Kassel site
ISO 9001 Certificate
Schmelzsalz-Herstellung Sigmundshall plant
ISO 9001 Certificate
REKAL-Sigmundshall plant
A-Futter Certificate
Braunschweig-Lüneburg plant
BAM Prüfungszeugnis
Kassel site
GMP+B2 Certificate
Kassel 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 9001 Certificate
Werra plant, Herfa-Neurode underground storage
Sicher mit System Certificate
Neuhof-Ellers plant
GMP Certificate
Werra plant, Wintershall site
Products
Potassium Sulphate 99.9% K2SO4, Ph. Eur., FCC, E 515
Potassium Chloride 99.9% KCl, Ph. Eur., USP
GMP+B4 Certificate
Operations, Wismar site
AQIS Certificate
Zielitz plant
ISO 50001 Certificate
K+S Minerals and Agriculture GmbH
IFS Food Certificate
Ickenroth GmbH, Staudt
IFS Global Markets Food Certificate
K+S Czech Republic a.s., Olomouc
ISO14001 Certificate
Tailings pile management (residue management), including the Hattorf and Wintershall tailings pile sites
EC-Eco Certificate
K+S-Czech-Republic-a.s., Olomouc
Kosher Certificate
K+S Minerals and Agriculture GmbH and Frisia Zout B.V.
ISO 14001 Certificate
K+S Czech Republic a.s., Prague
ISO 14001 Certificate
Frisia Zout B.V., Harlingen
EC-Eco Certificate
Frisia Zout B.V., Harlingen
GMP+ B1 Certificate
Frisia Zout B.V., Harlingen
Certificate Qualified Waste Management
K+S-Baustoffrecycling-GmbH, Sehnde
GMP+ B3/B4 Certificate
K+S Benelux NV/SA, Diegem; Esco france S.A.S., Levallois-Perret; K+S Czech Republic a.s., Olomouc, Praha
EC-Eco Certificate
Esco Benelux N.V., Diegem
EC-Eco Certificate
Esco France S.A.S., Levallois-Perret
ISO 9001 Certificate
K+S Minerals and Agriculture GmbH
NF Certificate
Frisia Zout B.V., Harlingen
Sicher mit System Certificate
Zielitz plant
Certificate Entsorgungsfachbetrieb
REKS GmbH & Co. KG, Kassel