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  • Class B Biosolids

Class B Biosolids

Nashua Class B Biosolids are produced using a unique anaerobic digestion process. This process is the action of digesting biosolids in the absence of oxygen using a residence time of 20 days at a temperature of 35⁰-55⁰C. The resulting material has little to no odor, meets state and federal requi rement s for farm fertilization, and is an excellent source of slow release nutrients.


Nashua Class B Biosolids serves to improve soil nutrient and organic matter levels and is ideal for use on hay and corn. Actual application rate should be based on soil analyses and crop to be grown.