Tora frequently manages engineering stack testing programs to generate data for multivariate testing (MVT) analyses, which identify the key process parameters that influence emissions. These analyses prepare facilities for compliance testing, raw material variation, process changes, and air pollution control device design or commissioning.

To date, Tora has coordinated more than 25 testing events, providing real-time feedback on emission rates and process variables. Tora staff are experienced in a wide range of EPA and CARB test methods, and often advise on modifications to obtain faster or more informative results—such as on-site particulate matter weighing, custom impinger train setups to collect liquids for advanced speciation, and use of portable gas chromatographs for pollutant fingerprinting.