SOA:
      OG1 VI class
      OG3 V class
      OG6 I class
      OG7 IV class
      OG12 VIII class
      OG13 I class
      OS1 III class
      OS6 IV class
      OS8 VI class
      OS23 VIII class
      OS33 III class
      OS34 V class

Quality Certification:

ISO
      ISO 9001
      ISO 14001 e OHSAS 18001 by consortium members

National Registry of Waste Disposal Operator:

Category 9 classe a) for reclamatin of contaminated sites
Category 9 classe a) modification
      Category 10 B e 10 A classe a) for the removal of asbestos
      Category 4 e category 5 for waste transport
      Category 6C: Management of plant of storage of hazardous and non-hazardous
      special waste