Dr. Frank Tatom has also served as an expert witness to OSHA and the Department of Labor in the Hercules Powder Kenvil Plant Case. Dr. Tatom used the HEXDAM 5.0 and VASDIP-II software to demonstrate the consequences of an explosion in the blender packer building at the Kenvil facility. He also carried out analysis of craters, glass breakage, and tree blowdown. He developed questions to be used by the Department of Labor for both his direct and rebuttal testimony, as well as questions to be used in the cross examination of the Hercules expert witness.

For the city of Newport, Tennessee, Dr. Tatom has recently provided services as an expert witness pertaining to the failure of a submerged diffuser on the Pigeon River. He analyzed the design of the failed diffuser under the river flow conditions at the time of the incident, to develop a rational explanation of the failure.