At Green Mountain Compost, we regularly test our compost and soil products to ensure that our customers are getting the best quality products available. Compost analysis is also done as part of our certification requirements of the US Composting Council’s Seal of Testing Assurance program (STA).
To view the most recent nutrient analysis results please click on the product name below:
For help understanding the test results, check out the STA program’s reference page.
In addition to analysis of physical characteristics, nutrients, metals, pathogens, and phytoxicity, Green Mountain Compost regularly tests for level of Polycyclic Aromatic Hydrocarbons (PAHs). PAHs are a group of compounds formed from incomplete combustion that are normally present in varying concentrations in urban environments. A more thorough discussion of PAHs.
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Monday – Friday 8am – 4pm
We recommend calling ahead to confirm these hours during the beginning and end of the seasonal period. We create an extended schedule to coincide closely with the gardening season, to make sure our staff is available when demand for our soils is at its peak. If the weather begins to warm up in April, we may start extended hours earlier than listed below.
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