Documents developed, Finished Projects OHIS site remediation project – Conceptual Design – D’Appolonia OHIS Site Remediation Project – Conceptual Design [pdf | 7.5 Mb]OHIS Site Remediation Project – Presentation of the Conceptual Design & Remedial Options – Drawings [pdf | 6.9 Mb] Feasibility study OHIS plant – EPTISA OHIS feasibility study – ENACON