Division 3.4 Chromium in tannery waste water after treatment

The total chromium concentration in tannery waste water after treatment shall not exceed 1,0 mg/l as specified in Commission Implementing Decision 2013/84/EU^f1.

Assessment and verification: the applicant or material supplier, as appropriate, shall provide a declaration of compliance supported by a test report using one of the following test methods: ISO 9174, EN 1233 or EN ISO 11885 for chromium and showing compliance with this criterion on the basis of monthly averages for the six months preceding the application. The applicant shall provide a declaration of compliance with BAT 10 and either BAT 11 or 12, as appropriate, of Implementing Decision 2013/84/EU for the reduction of the chromium content of waste water discharges.