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Compost – in-vessel or static aerated pile (plant and animal materials)
Crop Fertilizers and Soil AmendmentsNonsynthetic
Plant and animal materials are composted through a process that establishes an initial C:N ratio of between 25:1 and 40:1 and maintains a temperature of between 131°F and 170°F for 3 days using an in-vessel or static aerated pile system. Acceptable feedstocks include, but are not limited to: animal manure, by-products of agricultural commodities processing, and source-separated yard debris or "clean green." Compost must not contain more than 1x10³ (1,000) MPN fecal coliform per gram of compost sampled and must not contain more than 3 MPN Salmonella per 4 grams of compost sampled. See Glossary for definition of "compost."
205.203(c)(2)(i) & (ii) Composted plant and animal materials.