How to check a supplier's environmental certificate for thermal packaging

Check issuer, product scope, system boundary, method, date and validity; do not treat a general certificate as proof of product footprint.

29 July 2026Updated 24 September 2026

Short answer

Record the issuer, covered product and facility, system boundary, method, issue and expiry dates, and verification status. Do not present a company certificate outside its scope as evidence of a specific product's environmental footprint.

An environmental claim is not technical data by itself.

Identify the document

Record its name, issuer, and product and facility scope.

Date and method

Issue and validity dates
System boundary
Calculation method
Verification status

Limit the comparison

A general company certificate does not prove product footprint; request product-specific data for the same service.

Sources

ISO 14040 life-cycle assessment framework

Sources and correction policy for this article

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