Seal of Testing Assurance (STA) Test:
Compost+ STA Results (updated June 2023)
Compost+ TxDOT Results (updated June 2023)
USCC STA Compost Technical Data Sheet (updated June 2023)
Landscapers’ Comprehensive Soil Tests:
Enriched Topsoil (updated April 2023)
4-Way Mix (updated April 2023)
Top Dressing (updated April 2023)
Screened Topsoil (updated April 2023)
Screened “Sandy Loam” (updated April 2023)
Manufactured Topsoil (updated April 2023)
Want to know more about STA Testing and Certification? Watch this presentation from our Laboratory Partner, TPS Lab:
Click here to watch.