PVC Best Practice ensures that the PVC is made and used in a way that is the best for the environment.
The maker of the PVC resin must produce the resin with the absolute minimum of emissions,
and have water treatment facilities, they must be compliant with 14001 and also use processes
which don't use toxic materials like mercury for example.
The users of the resin must not add toxic substances such as DOP or lead stabilisers to the products, they must have a take back and recycling option, they must be also compliant with 14001.