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Certifications

STA is certified according to the environmental quality system ISO 9001, ISO 14001 and ISO 45001 for the "management system for health and safety at the workplace".
The purpose and field for the "design, construction and operation of water treatment plants and sludge disposal, recovery and disposal of waste, reclamation works, drinkable water plants".

The system for quality management aims to systematically provide products that meet customer requirements and in regulated areas to ensure that the primary goal of STA is aimed at customer satisfaction through an effective system of quality management, including processes related to continuous improvement and the prevention of nonconformity. To do that STA has set up an organizational structure that can handle all processes of the various business activities.

STA is accounted with SOA certification, issued by Authorized Certification Body with Presidential Decree 207/2010 in the following categories:
 
Category Ranking Activities
OS22 VII Construction of purification and potabilization plants
OG30 III-bis Construction of electrical systems and transformation
OG1 IV Civil and industrial buildings
OG6 I Construction of sewer and aqueduct networks
O10 I Plants for high/medium voltage transformation and for the distribution of electricity
Design VIII  
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