Module
Testing & Evidence Chain
Preserve an unbroken chain of custody from sample draw to test report and audit-ready storage.
Module details
Notice: Information is for educational reference only and is not legal advice. Always verify the current version of any standard, regulation or buyer requirement on the official source before acting.
Roles
- Quality Manager
- Lab Coordinator
- Compliance Manager
Outcomes
- Every published result traceable to sample, method and analyst
- Retention and version control meet audit expectations
Workflow
- 1.Draw samples per plan with unique identifiers and metadata
- 2.Route to an accredited laboratory with signed chain of custody
- 3.Store reports with version, method, revision and reviewer
- 4.Retire superseded reports under controlled change
Evidence
Common failures
- Verbal disposition without a stored report
- Reports stored without version or revision reference
Escalation
- Broken chain of custody → invalidate result and repeat testing
KPIs
- % reports with complete chain of custody
- Report retrieval time in audit
Official sources
- ZDHC Manufacturing Restricted Substances List (MRSL)
Programme requirements and conformance guidance for the ZDHC MRSL covering restricted substances in chemical formulations used in manufacturing.
ZDHC Foundation · Voluntary standard · Jurisdiction: Global · Applies to: Chemical inputs used in textile, apparel, leather and footwear manufacturing.
- ECHA REACH Restricted Substances (Annex XVII) (REACH Annex XVII)
Official list of substances restricted under REACH Annex XVII, defining conditions of manufacture, use and placing on the market.
European Chemicals Agency · Law / Regulation · Jurisdiction: EU / EEA · Applies to: Substances, mixtures and articles subject to REACH restrictions in the EU.