Interested in finding out other peoples experiences in dealing with microbiological parameters (such as Faecal coliforms, total coliforms, etc) are are below the method detection limit of the technique used (i.e.
ProUCL is a free downloadable program commissioned by the U.S. EPA that was designed by Lockheed-Martin for helping with this purpose. To learn more about ProUCL visit the following webpage: https://www.epa.gov/sites/production/files/2015-03/documents/proucl_v5.0_user.pdf