US Compost Council STA Compost Test

Ensure the quality and safety of your compost with the Seal of Testing Assurance (STA) Compost Test from the US Composting Council. This standardized program provides detailed analysis and certification to verify compost meets industry standards for environmental safety, nutrient content, and performance.

Our STA Compost Test evaluates key compost properties, including:
✅ Nutrient Profile – Measures nitrogen, phosphorus, potassium, and organic matter content.
✅ Maturity & Stability – Ensures the compost is fully processed and ready for use.
✅ Heavy Metals & Pathogens – Verifies compliance with safety standards for clean and safe compost.
✅ Soluble Salts & pH – Assesses suitability for plant growth and soil health.

By participating in the US Composting Council's STA Program, compost producers and users can trust that their product meets rigorous scientific and environmental benchmarks. Whether you're a compost manufacturer, landscaper, or farmer, our testing helps you make informed decisions for sustainable soil management.

Get your compost tested today to ensure quality, safety, and compliance!