Guidance for the inventory of perfluorooctane sulfonic acid (PFOS) and related chemicals listed under the Stockholm Convention Scope: The objective of this document is to provide step‐by‐step guidance that enables Parties to establish an inventory of products and articles containing perfluorooctane sulfonic acid (PFOS), its salts, perfluorooctane sulfonyl fluoride (PFOS‐F) and PFOS related chemicals and … Continue reading PFOS inventory guidance