SPD-500: ESG Indicators Guidance is the core ESG guidance document of the Sustainable Product Declaration system developed by United Metric Association. It defines how selected environmental, social and governance indicators are identified, documented, evidenced and applied within the SPD framework. Within the SPD system architecture, SPD-500 is positioned as the document that defines selected ESG indicators, evidence expectations, proportionality principles, product-level and organization-level boundaries, and ESG documentation logic. 

The purpose of SPD-500 is to strengthen product-level sustainability transparency by integrating relevant ESG considerations into product sustainability declarations. SPD recognizes that product sustainability is not limited to environmental data alone. Products are also connected to production practices, occupational health and safety, supply chain responsibility, responsible sourcing, compliance systems, governance controls, document management and claim approval processes.

SPD-500 does not turn SPD into a full corporate ESG rating, complete sustainability report or organization-wide ESG certification. Instead, it provides a practical and proportionate approach for including selected ESG indicators where they are relevant to the declared product, production site, supply chain, manufacturer responsibility or communication governance.

A central function of SPD-500 is to distinguish between product-level, site-level, supplier-level and organization-level ESG information. This distinction is essential to avoid misleading communication. For example, a company-wide ESG policy may support governance credibility, but it should not be presented as direct product-level ESG performance unless a clear and documented product link exists.

The guideline covers ESG dimensions such as environmental performance, resource use, waste management, recycled content, responsible sourcing, occupational health and safety, worker training, supplier responsibility, legal compliance, document control, anti-corruption policies, supplier due diligence and sustainability claim governance. These indicators help manufacturers demonstrate not only product-related environmental information, but also the supporting ESG systems and evidence behind responsible production and communication.

SPD-500 also defines the principle of practicality and proportionality. ESG requirements should be realistic for different company sizes, sectors, product complexities and maturity levels. Small and medium-sized manufacturers may begin with basic ESG documentation, while larger or higher-risk product categories may require stronger evidence, supplier due diligence, audited systems or advanced governance controls.

The document works closely with other SPD system documents. SPD-200 provides the assessment methodology and indicator structure, SPD-300 defines verification and evidence review, SPD-400 controls reporting and claims, SPD-600 links outputs to registry and certification rules, and SPD-PCG documents adapt ESG expectations to specific product categories.

Overall, SPD-500 provides the ESG integration layer of the Sustainable Product Declaration system. Its value lies in making ESG information more product-relevant, evidence-based, proportionate and transparent. It helps manufacturers identify ESG documentation gaps, improve supplier and governance evidence, support responsible procurement communication and avoid unsupported claims of ethical, responsible or fully sustainable production.
The full SPD-500 Guideline is available for download exclusively by United Metric members.