CERTIFICAZIONI

IQNet

IQNet & SIQ

WORK OF DRILLING AND PERFORATION FOR INVESTIGATIONS GEOGNOSTIC AND GEOTECHNICS

Certification date: 2008-09-08

Validity date: 2011-09-08

IQNet

IQNet & SIQ

WORK OF DRILLING AND PERFORATION FOR INVESTIGATIONS GEOGNOSTIC AND GEOTECHNICS

Certification date: 2008-08-06

Validity date: 2011-08-06