The access of the claimant to the disciplinary proceedings available to the environmental administration in which the person responsible for the contamination is a natural person must be excluded, although access to the infringement committed, the sanction imposed and the offender, when a publication sanction has been imposed for a very serious infringement. Data protection regulations do not prevent access to information on sanctions on legal persons or aggregated information about those imposed on natural persons that does not allow them to be identified. With regard to the data of third parties that may appear in the disciplinary proceedings that can be accessed, it is necessary to anonymize the personal data of third parties (legal representatives, complainants or witnesses) that may appear therein, except for the persons who have intervened due to their position.