Standardization bodies (ISO/TC 339, CEN/TC 411)

01Overview and value chain

Markers: [EC: CEN/TC 411 bio-based products standards | OECD: Bioeconomy policy & governance | Regulator: FDA (US), EFSA (EU), REACH (EU)]

Standardization bodies and technical committees write the terminology, test methods and life-cycle-assessment rules that every other certification scheme in the bioeconomy (ISCC PLUS, USDA BioPreferred, biodegradability labels) ultimately depends on. Without a shared definition of “bio-based” or an agreed method for allocating bio-content through a shared industrial process, no downstream certificate or eco-label would be verifiable or comparable across companies and borders. ISO’s Bioeconomy technical committee (ISO/TC 339, established under European standards-body leadership) is developing the first global framework standard for bioeconomy terminology and biomass sustainability criteria. CEN/TC 411, the European technical committee for bio-based products, has already published the operative EU standard series (EN 16575 terminology, EN 16785-1 bio-content, and — effective January 2026 — EN 18027:2025, which sets requirements for comparing a bio-based product’s life-cycle assessment against its fossil-based equivalent). ASTM International, founded in 1898, maintains ASTM D6866, the radiocarbon-based analytical standard that every US bio-content certification scheme relies on to physically distinguish bio-carbon from fossil carbon. The Roundtable on Sustainable Biomaterials (RSB) runs a multi-stakeholder certification standard for biofuels and sustainable aviation fuel feedstock, while Germany’s REDcert GmbH operates REDcert2, the sustainable-biomass chain-of-custody scheme built to comply with the EU’s Renewable Energy Directive (RED II). In China, the Standardization Administration (operating under the State Administration for Market Regulation) is drafting a national bioenergy sustainability standard project that adopts ISO 13065:2015 as an equivalent, harmonizing China’s domestic bioenergy criteria with the international standard rather than creating a divergent national scheme.

The key functions of bioeconomy standardization bodies are:

1. Terminology and framework standards: defining what “bio-based,” “biodegradable” and “sustainable biomass” mean in a legally and technically precise way (CEN/TC 411’s EN 16575, ISO/TC 339’s forthcoming global framework).
2. Life-cycle assessment (LCA) methodology: setting the rules for comparing a bio-based product’s cradle-to-gate or cradle-to-grave environmental footprint against its fossil equivalent (ISO 14040/14044, CEN/TC 411’s EN 18027:2025).
3. Analytical verification standards: defining the physical test method — radiocarbon dating under ASTM D6866 — that proves a bio-content claim rather than relying on paper declarations alone.
4. Chain-of-custody and mass-balance rules: standardizing how bio-based feedstock content is tracked and allocated through shared industrial infrastructure (the basis for RSB and REDcert2 certification).

Sectoral value chain

[Standard drafting: terminology & scope] ──> [Public/member consultation & consensus vote] ──> [Publication as EN/ISO/ASTM standard]
                                                                                                          │
                                                                                            (Adoption by certification schemes)
                                                                                                          │
      [Standard revision / harmonization] <─── [Market feedback & national adoption (GB, NF, DIN)] <─── [Use in third-party certification]

Value chain levels

Cross-cutting technologies of the sector:

• Radiocarbon (¹⁴C) analysis: accelerator mass spectrometry measuring the ¹⁴C/¹²C ratio in a sample to determine its bio-based carbon fraction with about 1% precision (ASTM D6866), the physical backbone of every bio-content certification claim.
• Life-cycle assessment (LCA) methodology: standardized inventory and impact-assessment modeling (ISO 14040/14044, CEN/TC 411’s EN 18027:2025) used to compare a bio-based product’s environmental footprint against its fossil equivalent on a like-for-like basis.
• Mass-balance chain-of-custody accounting: a bookkeeping standard (ISO 22095) that lets a shared industrial process (e.g. a naphtha cracker) mix bio- and fossil-feedstock while still allocating verified bio-content to specific output batches.

02US

The United States anchors the analytical-verification layer of bioeconomy standardization through ASTM International’s radiocarbon test method.

ASTM D6866 radiocarbon standard, USDA BioPreferred program linkage, US lab-testing market

• ASTM International: founded in 1898, maintains ASTM D6866, the accelerator-mass-spectrometry radiocarbon standard that every US bio-content verification scheme (including USDA BioPreferred) relies on to physically distinguish bio-based carbon from fossil carbon.
• Federal procurement linkage: the USDA BioPreferred program’s mandatory federal purchasing preference for bio-based products is verified against ASTM D6866 test results rather than supplier self-declaration alone.
• Testing market: US radiocarbon and bio-content laboratory testing services support both domestic certification schemes and imported-product verification for companies seeking to substantiate bio-based claims.

03CN

China is harmonizing its domestic bioeconomy and bioenergy standards with international ISO criteria rather than building a fully divergent national scheme.

SAC’s ISO-13065-equivalent bioenergy standard, national green-carbon standardization push, export-compliance harmonization

• Standardization Administration (SAC, under SAMR): is drafting a national standard project on bioenergy sustainability criteria that adopts ISO 13065:2015 as an equivalent standard, aligning China’s domestic bioenergy sustainability criteria with the international benchmark rather than a divergent national approach.
• Green-carbon standard development: Chinese standards bodies continue developing national (GB) standards for bioplastics, bio-chemicals and bamboo/straw-fiber textiles, designed to harmonize with ISO/TC 339’s emerging framework where possible.
• Export-compliance motivation: harmonizing domestic standards with ISO criteria is intended to let Chinese exporters pass EU sustainability audits more readily, including compliance relevant to the EU’s carbon border adjustment mechanism (CBAM).

04EU

The European Union hosts the two most operationally influential bodies in this Industry: CEN/TC 411, which has already published binding EU bio-based product standards, and the emerging global ISO/TC 339 framework led by European standards bodies.

CEN/TC 411’s EN 18027:2025 LCA standard, ISO/TC 339’s forthcoming global framework, RSB and REDcert certification schemes

• CEN/TC 411 (Bio-based products): has published the operative EU standard series for bio-based products — EN 16575 (terminology), EN 16785-1 (bio-content) and, effective January 2026, EN 18027:2025, which sets requirements for comparing a bio-based product’s life-cycle assessment against its fossil-based equivalent.
• ISO/TC 339 (Bioeconomy): led under European standards-body sponsorship, is developing the first global framework standard for bioeconomy terminology and biomass sustainability criteria, intended to give certification schemes worldwide a common terminological foundation.
• RSB and REDcert: the Roundtable on Sustainable Biomaterials runs a multi-stakeholder certification standard for biofuels and sustainable aviation fuel feedstock, while Germany’s REDcert GmbH operates REDcert2, the chain-of-custody scheme built to comply with the EU’s Renewable Energy Directive (RED II).

05Leading companies and research institutes

06Tech stack and innovations

The bioeconomy-standardization stack pairs nuclear-physics-grade analytical verification with standardized accounting methodology that lets a bio-content claim be checked independently of the producer’s own records:

1. Radiocarbon (¹⁴C) accelerator mass spectrometry:
   • Because fossil carbon has lost all its ¹⁴C over millions of years while recently grown biomass carries the atmosphere’s current ¹⁴C level, burning a sample to CO₂ and measuring its ¹⁴C/¹²C ratio via accelerator mass spectrometry determines its bio-based carbon fraction to about 1% precision, the physical basis of ASTM D6866.
2. Standardized life-cycle assessment (LCA) methodology:
   • ISO 14040/14044 and CEN/TC 411’s EN 18027:2025 define the inventory-analysis and impact-assessment steps needed to compare a bio-based product’s environmental footprint against its fossil equivalent on a like-for-like functional-unit basis.
3. Mass-balance chain-of-custody accounting (ISO 22095):
   • Standardized bookkeeping rules let a shared industrial process (e.g. bio-naphtha co-processed with fossil naphtha in a single cracker) allocate verified bio-content mathematically to specific output batches, letting brands make substantiated bio-based claims without separate dedicated processing lines.

07Value chains and production pipelines

Industrial pipeline for a company obtaining ISCC PLUS mass-balance certification against CEN/TC 411 and ASTM D6866 standards

┌───────────────────────────┐      ┌───────────────────────────┐
│ 1. Mass-balance system    │ ───> │ 2. Certification scheme    │
│    design & gap analysis      │      │    registration & auditor   │
└───────────────────────────┘      └───────────────────────────┘
                                                 │
                                                 ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 4. On-site audit visit &  │ <─── │ 3. LCA data collection &   │
│    balance-record check      │      │    inventory analysis        │
└───────────────────────────┘      └───────────────────────────┘
              │
              ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 5. Radiocarbon lab         │ ───> │ 6. Certificate issuance &  │
│    verification (ASTM D6866)│      │    B2B release                │
└───────────────────────────┘      └───────────────────────────┘

Stage 1: Mass-balance system design and gap analysis

The company designates a compliance owner, audits incoming feedstock streams (e.g. certified bio-naphtha purchases) and designs its internal bookkeeping procedures for allocating bio-credits under ISO 22095.

Stage 2: Certification scheme registration and auditor selection

The company registers with the chosen certification scheme’s central office and contracts an accredited third-party auditor to conduct the certification review.

Stage 3: LCA data collection and inventory analysis

The company gathers energy, water and emissions data across the production process and calculates its greenhouse-gas footprint reduction following ISO 14040/14044 and, where relevant, CEN/TC 411’s EN 18027:2025 comparison methodology.

Stage 4: On-site audit visit and balance-record check

An independent auditor visits the facility, inspects storage and reactor systems, and verifies that purchased bio-feedstock volumes reconcile with the bio-content allocated to sold output batches.

Stage 5: Radiocarbon lab verification (ASTM D6866)

The auditor draws control samples of the finished bio-based product and sends them to an accredited accelerator-mass-spectrometry laboratory, which confirms the bio-carbon content against the standard’s precision threshold.

Stage 6: Certificate issuance and B2B release

Once all findings are cleared, the certification body issues the final certificate, lists the facility in its public registry, and the company can label its output accordingly for shipment to B2B and B2C customers.