Definition(s)
A product from a manufacturing process that is not considered the principal material. (Source: GEMET/MGH); in the context of environment it is defined as an unintended chemical compound that is formed by a chemical reaction (Source: BRS)
In other languages
French
sous-produit
Russian(俄语)
сопутствующий продукт
Spanish
subproducto
Arabic(阿拉伯语)
منتج ثانوي
Explore content
Follow up the links below to see InforMEA content related to By-products coming up
from several external sources.
Multilateral environment agreements tagged with By-products
You can see below a list of multilateral environment agreements. Use the links on the right to
view the content tagged with
By-products. This includes official treaty texts, decisions, recommendations, and other related
informational documents such as publications, annuals, meetings, documents or reports.
![]() |
Montreal Protocol | 1 decision |
![]() |
World Heritage Convention | 2 decisions |

