ASTM D6866-12 Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis*, 2023-12-23 Update
ASTM D7026-04 Standard Guide for Sampling and Reporting of Results for Determination of Biobased Content of Materials via Carbon Isotope Analysis *, 2023-12-23 Update
CEN/TR 15591 Solid recovered fuels - Determination of the biomass content based on the 14C method
EN 13137 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments
ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination
ISO 16620-2 Plastics — Biobased content — Part 2: Determination of biobased carbon content*, 2019-10-31 Update
ISO 16620-3 Plastics - Biobased content - Part 3: Determination of biobased synthetic polymer content
ISO 16620-4 Plastics - Biobased content - Part 4: Determination of biobased mass content*, 2016-12-01 Update