pickling waste - aqueous acidic liquors from the treatment or cleaning of metal surface, generally containing a few percent of hydrochloric or sulphuric acid
· Ścieki po wytrawianiu

piezometer - an instrument for measuring hydraulic pressure
· Piezometr

piezometric level - that level to which water in a confined aquifer would rise if the aquifer was penetrated by a borehole
· Poziom piezometryczny

plant rating - the manufacturer’s stated performance figures for a treatment plant
· Wartość znamionowa instalacji

plasma arc pyrolysis - a thermal destruction technique for organic wastes, in which a plasma field is generated by passing electrical charges through air
· Rozkład termiczny

plastic, degradation - the very durability of plastic, which is an excellent property for many purposes, makes them virtually indestructible where discarded, and as recycling is difficult on both cost and quality grounds, means have been sought to make them degrade when their useful life is over
· Degradacja tworzyw sztucznych

plastic, recycling - the re-use of plastic materials in their present form or in another form
· Recykling tworzyw sztucznych

plume - a three-dimensional envelope that contains all the material ( solid, liqu...