The submitted Hobart design establishes a 97% particulate-emissions reduction.
The 97% figure is not supported by Amazon’s Hobart application.
What the reviewed record shows
For its potential-to-emit calculations, Amazon uses 68.6% as the conservative filterable-PM control efficiency. The application lists manufacturer options ranging from 68.6% to 75.6% for filterable PM and says the final control-system selection had not been made.