Some indispensable elements for an Environmental policy implementation:

You must count with a written and actualized emergency plan.
You must count with a written and actualized site´s maintenance general plan.
You must count with a safety and hygiene in charge person at work.
You must count with a work related health doctor.
All workers must be train on machine handeling and risks attached to his activity as well as in the destiny of wastes generated in his work stall..
Raw materials, finished products and wastes must be classified and selectively storaged.
Storagering conditions must be the suitable ones for spillings, flights and accidents prevention.
In case of flights or spillings, we must count with elements for conteinance and propagation stop.
Generated wastes transport, treatment and disposition, has to be done trough authorized enterprises. The enterprise must be cappable of knowing the waste´s road until its final disposition.
You must keep a written registry of the waste´s handeling.
Spilled Gaseous Emissions and Wastewaters must fullfill the in force standards about volume and polluters prescence.
You must count with a plan for wastes and effluents minimization.
Periodic Environmental audits must be made and a registry of them must be kept to verify the environmental improvement.
Wastes, effluents, noise and every other quantifyable paramether that maight show an impact has to be periodically monitorate and their results must be analyce in environmental audits.