Specifications include, but are not limited to: A. Product: Nutrients for biotrickling odor systems. B. Acceptable Brands: Bioway/Azzurro BioMaintain 90/10, Nutrients Medium for Bacteria (developed by the School of Environment at Beijing Normal University), Biorem Mytilus Nutrients, or approved substitute. C. Physical State: Powder. D. Packaging Requirements: 1. Packaging shall be in bags 2. Forty-five (45) per bag or approved substitute weight E. Key Ingredients: Organic compounds and micronutrients (completely dissolves in water). F. NPK Ratio: Nitrogen (N) = 11% to 16% Phosphorous (P) = 7% to 11% Potassium (K) = 22% to 34% G. Impurities: Shall be less than or equal to 1% of the total product by weight. Shall contain any compounds detrimental to the growth of odor control system biology. H. Water Source for Biotrickling Filter: Potable water quality or equivalent (not secondary effluent).
