As sustainability expectations continue to grow across industries, manufacturers are increasingly expected to support environmental claims with credible scientific evidence. One of the most effective ways to validate these claims is through biodegradability certification, which confirms whether a material can biodegrade under defined environmental conditions.
RespirTek’s biodegradability certification program focuses specifically on aqueous environments, evaluating how materials degrade in water-based systems such as wastewater treatment environments. The program is supported by internationally recognized biodegradability testing standards and a structured certification scheme that ensures environmental claims are scientifically validated.
By combining technical evaluation, ISO/IEC 17025:2017 accredited laboratory testing, and clearly defined certification criteria, the program provides companies with a reliable way to demonstrate environmental responsibility and product performance.
What Is Biodegradability Certification?
Biodegradability certification is a formal verification process used to determine whether a product meets defined biodegradation requirements based on scientific testing standards and certification scheme criteria.
In many cases, companies claim that their products are biodegradable, but without standardized testing, these claims may lack credibility. Certification programs provide an independent evaluation of these claims using recognized laboratory methods and defined performance thresholds.
RespirTek’s certification program focuses on aqueous biodegradability, evaluating whether materials break down through microbial activity in water-based environments. These environments are particularly relevant for products that ultimately enter wastewater treatment systems or aquatic environments, but are also commonly used to assess a material’s potential to biodegrade in many aerobic environments.
Unlike traditional testing programs that simply issue laboratory reports, RespirTek’s certification program evaluates products against a structured testing scheme designed to thoroughly assess the biodegradability of the product and its constituents. When the scheme requirements are satisfied, the product may be authorized to use the RespirTek Biodegradability Certification Mark.
This mark demonstrates that the product has met the defined certification requirements and that the environmental claim is supported by scientific evaluation.
The Role of Biodegradability Testing
At the core of any biodegradability certification program is biodegradability testing, which evaluates how materials break down through microbial activity.
During testing, microorganisms consume the organic components of a material and convert them into natural byproducts such as carbon dioxide, water, and biomass. Scientists monitor this process by measuring parameters such as carbon dioxide evolution or oxygen consumption to determine the degree of biodegradation.
Many internationally recognized biodegradability testing methods are designed for aqueous environments, including several methods published by the Organization for Economic Co-operation and Development (OECD), American Society for Testing and Materials (ASTM), and International Organization for Standardization (ISO). These tests measure how efficiently microorganisms convert organic carbon into carbon dioxide under controlled laboratory conditions.
For example, aqueous ready biodegradability tests evaluate whether a material’s organic carbon is completely utilized through microbial activity within defined timeframes, indicating rapid biodegradation under most aerobic conditions.
Aqueous ultimate biodegradability tests evaluate whether a material’s organic carbon is completely utilized through microbial activity over an extended testing period or under more favorable conditions, indicating the potential for the material to biodegrade under favorable conditions, even if the degradation process occurs more slowly than in ready biodegradability assessments.
These testing methods provide the scientific foundation for evaluating biodegradability claims.
The Certification Process
RespirTek’s biodegradability certification program follows a structured evaluation process designed to determine whether a product qualifies for certification.
- Determination of Testing Requirements
The first step in the certification process is an assessment based on the scheme requirements.
During this stage, the product’s composition, formulation, and available data are reviewed to determine whether additional biodegradability testing is required.
This evaluation ensures that the certification process is efficient and scientifically appropriate for the material being evaluated.
Based on the assessment, the technical team determines whether laboratory testing is necessary and which testing methods should be applied.
In some cases, biodegradability testing may not be required if sufficient supporting information already demonstrates that the product satisfies the certification criteria.
For example, certain materials may qualify for exemptions under the certification scheme if their components are already known to meet established biodegradability requirements.
This step helps prevent unnecessary testing while maintaining the scientific integrity of the certification process.
- Laboratory Testing (If required)
If testing is required, the product is evaluated using ISO/IEC 17025:2017 accredited biodegradability testing methods designed for aqueous environments.
These tests measure microbial degradation under controlled laboratory conditions to determine whether the material meets the thresholds defined in the certification scheme.
RespirTek performs these evaluations within our ISO/IEC 17025:2017 accredited laboratory, ensuring that testing procedures, data quality, and reporting meet internationally recognized standards.
- Certification Decision
Once the evaluation and any required testing are complete, the results are reviewed against the certification scheme criteria.
If the product satisfies all requirements, the organization will be granted authorization to use the RespirTek Biodegradability Certification Mark.
Why Biodegradability Certification Matters
Environmental claims are increasingly scrutinized by regulators, consumers, and industry organizations. As a result, independent biodegradability certification provides several important benefits:
Scientific credibility
Certification ensures that biodegradability claims are supported by scientific evaluation and accredited laboratory testing.
Regulatory alignment
Testing data can support environmental marketing claims and regulatory compliance requirements.
Market differentiation
Verified environmental performance can help companies stand out in competitive markets where sustainability plays a growing role in purchasing decisions.
Reduced risk of greenwashing claims
Third-party evaluation ensures environmental claims are supported by measurable scientific data.
Supporting Sustainable Product Innovation
As sustainability initiatives continue to expand across industries, manufacturers are increasingly seeking reliable ways to validate environmental claims.
RespirTek’s biodegradability certification program for aqueous environments provides a structured pathway for verifying biodegradability performance through technical evaluation, accredited testing, and clearly defined certification criteria.
By combining biodegradability testing, scheme-based assessment, and authorization to use the RespirTek Biodegradability Certification Mark, the program helps companies demonstrate environmental responsibility while providing confidence that biodegradability claims are supported by credible scientific evidence.
If you are interested in learning more about RespirTek’s biodegradability certification program, please contact us at ce***********@*******ek.com.





