Tom W. Ashton R.E.H.S., L.P.S.S., On-Site Sewage Disposal Consultant, P.O. Box 667, Chincoteague Island, VA 26667
Phone 540-454-4672 Email twa220@aol.com
Education Old Dominion University, B.S. Environmental Health (1978); Shenandoah University, M.B.A. (1989)
Areas of Expertise Site/Soil Evaluation Feasibility for On-Site Wastewater Treatment and Dispersal Systems; System Design of Innovative and Alternative Systems (Drip Dispersal, LPD etc.); Hydraulic Assessment (Ksat Testing, Constant Head Bore Hole Method); On-Site Wastewater/Stormwater, General Consulting. Service Area Primarily Maryland and Virginia Certifications/Licenses Registered Environmental Health Specialist (R.E.H.S., 1985), National Environmental Health Association; Licensed Professional Soil Scientist (C.P.S.S, 1991, L.P.S.S 2013), Virginia Department of Commerce; Licensed Master Alternative On-Site Evaluator (M.A.O.S.E., 2009), Virginia Department of Commerce


Amanda Atwell Wetland Studies and Solutions, Inc., 1131 Benfield Blvd, Suite L, Millersville, MD 21108
Phone 571-334-8397 Email aatwell@wetlands.com Website www.wetlands.com
Education University of Florida, B.S. Environmental Science (2000); Virginia Tech, M.S. Crop Soil & Environmental Science (2003)
Areas of Expertise Wetland Identification, Delineation and Mitigation, Erosion and Sedimentation Service Area Maryland Delaware, Virginia, Connecticut, New England Certifications/Licenses CPSS, ARCPACS; PWS, Society of Wetland Scientists; PSS Soil Science Society of Southern New England; CESSWI, EnviroCert International; Qualified Airport Wildlife Biologist


Adam B. Browning Penn’s Trail Environmental, LLC, 327 E. Ridgeville Blvd., #141, Mount Airy, MD 21771
Phone 301-829-5022 Email abrowning@pennstrail.com Website www.pennstrail.com
Areas of Expertise Decentralized Wastewater System Design Service Area Maryland & Pennsylvania Certifications/Licenses Pennsylvania Sewage Enforcement Officer


Láf P. Erickson Atlantic Resource Management, 37448 Club House Rd, Ocean View, DE 19970
Phone 302-381-3695 Email laf@atlanticresource.net Website www.atlanticresource.net
Education University of Maryland, B.S. Soil and Water Conservation (1995)
Areas of Expertise Soil Site Evaluations for Septic/OWTDS, Soils Reconnaissance, Soils Mapping, Feasibility Studies Service Area Kent & Sussex Counties, DE Certifications/Licenses CPSS/SC


Timothy J. Garrahan TJG Soils PO Box 1332, Seaford, DE 19973 Phone 302 841-3111 Email jeeptjg@comcast.net
Education NC State, B.S. Forestry, B.S. Soils
Areas of Expertise Soils Investigations for On-Site Sewage Disposal, Nutrient Management Service Area Delaware Certifications/Licenses ARCPACS Certified Professional Soil Scientist & Soil Classifier, CCA, Nutrient Management (DE & MD)


Ian R. Kaufman Delaware Environmental, Inc, PO Box 117, Dagsboro, DE 19939
Phone 302-542-3356 Email irkaufman@mediacombb.net
Education University of Maryland B.S. (1987), M.S (1990)
Areas of Expertise Wastewater, Stormwater, Soil Mapping Service Area Delaware, Maryland, Virginia, Pennsylvania, New Jersey Certifications/Licenses CPSS/SC; Delaware Class-D Soil Scientist, Class-B Designer; Virginia Authorized Alternative On-Site Evaluator


Russell Lusco Lanchester Soil Consultants, Inc., 325 East Avondale Road, West Grove, PA 19390
Phone 610-637-4118 Email Soildude@comcast.net Website www.Soildude.com
Education Indiana University of PA, B.A. Anthropology/Sociology (1981); West Chester University, M.A. Geosciences (2009)
Areas of Expertise Onsite Wastewater Disposal, Stormwater Infiltration, Seasonal High Water Tables, Soil Permeability, Geomorphology & Paleogeomorphology, Urban Soils Service Area Delaware Certifications/Licenses Certified Professional Soil Scientist #22586; Professional Geologist (PA) #PG004953; Delaware Class A, B & D License #2202


Amy M. Parrish Barton & Loguidice, DPC (pronounced Lah-joo-dis), 1912 Liberty Road, Suite 26, Eldersburg, MD 21784
Phone 410-795-4626 Email aparrish@bartonandloguidice.com Website www.bartonandloguidice.com
Education Susquehanna University, B.S. Geological and Environmental Science, Emphasis Geology (2001)
Areas of Expertise Hydrogeological evaluations for spray, drip, rapid infiltration, subsurface wastewater discharge; Evaluations of groundwater discharge and land application of effluent; Site and soil evaluations; Innovative/ alternative sewage design; Stormwater infiltration BMP evaluations; Nutrient loading and allocations Service Area Primarily commercial and public sector clients in MD, DE, PA, VA, NJ, and NY Certifications/Licenses Licensed Environmental Health Specialist; Professional Geologist in PA and DE


Sarah Roberts Biohabitats, Inc., 2081 Clipper Park Road, Baltimore, MD 21212
Phone 410-554-0156 (Main Office); 667- 401-8473 (Direct) Email sroberts@biohabitats.com Website https://www.biohabitats.com/
Education Virginia Polytechnic Institute and State University, B.S. Environmental Science (2004)
Areas of Expertise Ecological assessment, design, permitting, and monitoring for stream and wetland restoration and mitigation; Ecological assessment and monitoring (pre, during, and post-construction) experience includes habitat assessment, stream survey and characterization, stream and wetland monitoring, stream biological monitoring, water quality monitoring, groundwater monitoring, soil characterization and sampling, etc.; County, state and federal permitting for shoreline, stream and wetland restoration/mitigation and stormwater management facilities and retrofits; Wetland delineation Service Area Chesapeake/ Delaware Bays Bioregion and throughout the United States


Clifford E. Stein Earth Data, Inc., 131 Comet Drive, Centreville, MD 21617
Phone 410-758-8160 (O); 410-739-3804 (C) Email cstein@earthdatainc.com Website www.earthdatainc.com
Education University of Maryland, B.S. Agronomy/Soils (1972), M.S. Soils (1978)
Areas of Expertise Onsite wastewater disposal; Spray irrigation of treated wastewater; Rapid infiltration of treated wastewater Certifications/Licenses CPSS/SC 1998-2014 Service Area Maryland, Delaware


John S. Wah Matapeake Soil and Environmental Consultants, P.O. Box 186, Shippensburg, PA 17257
Phone 240-604-6639 Email matapeake.soil@gmail.com Website matapeakesoil.com
Education Penn State, B.A. Anthropology (1993); University of Tennessee M.S Soil Science (1998); University of Maryland, Ph.D. Soil Science (2003)
Areas of Expertise Soils in archaeology; Soils and geomorphology; Soils mapping; Soils education and outreach; Residential soils analysis, PA onsite wastewater; Residential soils analysis, Frederick County, MD flooding soils; Laboratory analysis of soils; Soil monoliths Certifications/Licenses MAPSS/PAPSS Full/Professional Member; PA DEP SEO Service Area Mid-Atlantic, Northeast, Southeast, California, Puerto Rico


Don Wilson Bay Environmental Solutions, LLC, 109 Remington Ct, Centreville, MD 21617
Phone 410-924-3735 Email bay.environmental.llc@gmail.com
Education Frostburg State College, B.S. Geography-Earth Science, Emphasis: Geology, Biology, Soil Science (1983)
Areas of Expertise Soil investigation for on-site sewage (septic) disposal; Soil investigation for drip and spray irrigation of wastewater; Design of conventional and non-conventional on-site sewage disposal systems; Single well slug testing Certifications/Licenses MAPSS/PAPSS Full/Professional Member; PA DEP SEO Service Area Mid-Atlantic, Northeast, Southeast, California, Puerto Rico