Install and/or repair Grade I systems plus: Multiple tanks, Grease traps, Single Pump or Single Siphon, Fill Systems, Sand Lined Trench, and any approved gravity or single pump dispersal system not specified in Grade Level III or Grade Level IV Inspect on-site wastewater systems when requested by a lending institution, realtor, prospective home buyer, or other impacted party as a condition of sale, refinancing, or transfer of title
