Division 3.3 Chemical Oxygen Demand (COD) in waste water from the processing of natural and synthetic rubber
United Kingdom
The COD value in waste water from the processing of natural or synthetic rubber, as applicable, when discharged to surface waters after treatment (whether on site or off site), shall not exceed 150,0 mg/l. This requirement shall apply to wet processes used to manufacture the rubber.
Assessment and verification: the applicant or material supplier, as appropriate, shall provide a declaration of compliance supported by detailed documentation and test reports, based on ISO 6060 showing compliance with this criterion on the basis of monthly averages for the six months preceding the application The data shall demonstrate compliance by the production site or, if the effluent is treated off site, by the waste water treatment operator.