OWAC Engineering Company, with its technical director Engineer Rocco Martello, has achieved advanced + certification as an “expert Environment and Territory Engineer” specialised in “waste collection, treatment and disposal, soil remediation, industrial wastewater treatment plant”. The certification was issued by CERTing, the National Agency for the Certification of Engineers’ Expertise, a UNI CEI EN ISO/IEC 17024 ACCREDIA accredited body.