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CERTIFICATION
OCWR compost and mulch meet multiple industry and regulatory standards to ensure quality, transparency, and suitability for agricultural and landscape use. Our materials are certified through the U.S. Compost Council’s Seal of Testing Assurance (STA) Program, are OMRI Listed by the Organic Materials Review Institute, and are licensed as Organic Input Materials (OIM) by the California Department of Food and Agriculture.
STA Certified –
Our compost is STA Certified by the U.S. Compost Council as compost derived from curbside residential green waste. It is fine coarse screened to 3/8’’ minus. The Seal of Testing Assurance (STA) Program helps you make the best decision for your application by providing the 3 C’s:
Clarity –
Similar to a nutrition label, the STA Program’s Compost Technical Data Sheet (CTDS) includes test results, a list of ingredients, and recommended directions for use.
Consistency –
The STA Program provides checks and balances within the STA Lab and Participant network to ensure proficiency and consistency with testing procedures and compliance, providing apples to apples comparisons of compost properties.
Confidence –
Similar to trusting a vehicle history report when purchasing a vehicle, the STA’s CTDS report provides consumers with confidence and knowledge of what is in the compost and how it was produced.
OMRI Listed –
OCWR compost and mulch are certified by the Organic Materials Review Institute (OMRI) and are OMRI Listed, confirming compliance with the USDA National Organic Program. This designation indicates the material is approved for use in organic production and meets strict standards for organic agriculture and gardening.
CDFA Organic Input Material (OIM) –
OCWR compost and mulch are also licensed as Organic Input Materials (OIM) by the California Department of Food and Agriculture (CDFA). This designation verifies that the material meets state requirements for use as an organic input and reflects OCWR’s commitment to producing high-quality, sustainable compost and mulch for agricultural and landscape applications.
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