ravni snovi, na katere se nanaša ta protokol in ki jih kot onesnaževala vsebujejo druge snovi, kemični ali industrijski izdelki, ter višine teh ravni pri prenosu na velike razdalje kot tudi postopke za zmanjševanje ravni teh onesnaževal ter poleg tega ravni obstojnih organskih onesnaževal, ki nastajajo v življenjskem ciklusu lesa, zaščitenega s pentaklorofenolom.
Levels of substances subject to the present Protocol that are contained as contaminants in other substances, chemical products or manufactured articles and the significance of these levels for long-range transport, as well as techniques to reduce levels of these contaminants, and, in addition, levels of persistent organic pollutants generated during the life cycle of timber treated with pentachlorophenol.