History Solutions HSE Management Menu History Solutions HSE Management Health, Quality, Safety & Environment K-Boringen nv disposes of various quality and safety certificatesAccreditations E4 en C7, Classe 6ISO 9001:2015 – DownloadISO 14001:2015 – Download Ral-Gütezeichen Kanalbau (VMD) – Download Safety certificate VCA**:2008/5.1 – Download