Novozymes South Asia Pvt. Ltd. Offers Biological Tracer Based on Microbial Spore. Novozymes South Asia Pvt. Ltd. Supplies enzymes, microorganism and biopharmaceutical ingredients. Biological Tracer Based on Microbial Spore is provided with metabolic requirements that are not satisfied in wastewater systems. Biological Tracer Based on Microbial Spore is used for wastewater analysis. The absence of these requirements causes the spores to pass through processes without germinating. It is available under the brand name of BI-CHEM® MicroTrace.