1. Director, Charlestown Onsite Wastewater Management, Town of Charlestown, 4540 South County Trail, Charlestown, RI 02813. ORCID:
2. Professor Emeritus, Laboratory of Soil Ecology and Microbiology, Univ. of Rhode Island, Kingston, RI 02881 (corresponding author). ORCID: .
3. Temporary Staff Scientist, Charlestown Onsite Wastewater Management Program, Town of Charlestown, 4540 South County Trail, Charlestown, RI 02813; presently, Pare Corporation, 8 Blackstone Valley Pl, Lincoln, RI 02865.
4. Temporary Staff Scientist, Charlestown Onsite Wastewater Management Program, Town of Charlestown, 4540 South County Trail, Charlestown, RI 02813; presently, Fuss & O’Neill, Inc., 317 Iron Horse Way #204, Providence, RI 02908.
5. Staff Scientist, Charlestown Onsite Wastewater Management Program, Town of Charlestown, 4540 South County Trail, Charlestown, RI 02813.
6. Senior Program Advisor, New England Onsite Wastewater Training Program, Univ. of Rhode Island, Kingston, RI 02881.