CERTIFICATIONS
Deref S.p.A. is ISO 9001 and ISO 14001 certified, and is duly authorized for waste recovery.
ISO 9001 Certification
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ISO 14001 Certification
Download PDF (218 KB)
Quality, environment and safety policies
Download PDF (24 KB)
Registration as waste dealer cat. 8F
Download PDF (557 KB)
Registration of waste treatment facilities
Pisa Plant | Download PDF (163 KB)
Registration of waste treatment facilities
Castiglione in Teverina Plant | PDF (415 KB)
Registration of waste treatment facilities
Vignole Borbera Plant | Download PDF (1345 KB)