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Total Suspended Solids (TSS) & Volatile Suspended Solids (VSS)
TSS testing measures the total concentration of suspended (non-soluble) solids in the aeration stabilization basin (ASB) or in effluents. The total suspended solids (TSS) data is critical in determining the operational behavior of a waste treatment system. It is...
Mixed Liquor Suspended Solids (MLSS) and Mixed Liquor Volatile Suspended Solids (MLVSS)
MLSS testing measures the total concentration of mixed liquor suspended (non-soluble) solids in the aeration basin of an activated sludge system. The mixed liquor suspended solids (MLSS) data is critical in determining the operational behavior and solids inventory. It...
Ammonia in Wastewater
Nitrogen, as ammonia, is a critical nutrient in biological wastewater treatment. It is utilized by bacteria to make proteins, including enzymes needed to break down food or BOD as well as in making energy. In activated sludge, the two primary symptoms of nutrient...
Features of a Wastewater Microscopic Evaluation
The purpose of a microscopic evaluation is to determine the biological health of a wastewater treatment system. The results can be used to help predict Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), TOC, and TSS results or to determine whether or not...
pH Testing in Wastewater Treatment
The pH of the environment has a profound effect on the rate of microbial growth. pH affects the function of metabolic enzymes. Acidic conditions (low pH) or basic conditions (high pH) alter the structure of the enzyme and stop growth. Most microorganisms do well...
Chemical Oxygen Demand Testing
Chemical oxygen demand (COD) relies on chemical oxidation with chromic acid (a strong oxidizer). Many organic compounds, including color bodies and fibers, which are not easily biodegradable, along with any inorganic chemicals will show up as chemical oxygen demand...
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