ISO Certification Lenntech is ISO Certified for: ISO 9001:2015 - Quality ISO 14001:2015 - SCCM ISO 45001:2018 - SCCM Click a certificate to open the original PDF (2 pages). ISO 9001:2015 Download the original certificate (PDF, 2 pages) ISO 14001:2015 Download the original certificate (PDF, 2 pages) ISO 45001:2018 Download the original certificate (PDF, 2 pages) Request a quote Phone: +31 152 610 900 info@lenntech.com Request a quote More from 'About Lenntech' Mission StatementVisitors informationCareer at LenntechInternational Internshipsprivacy policyReference projectsLenntech activities and global presenceJob openingsWater treatment solutions in FranceWatar treatment sulutions in GermanyWater treatment solutions in Spain