For the purpose of this division, the following definitions apply unless the context clearly indicates or requires a different meaning.
CESSPOOL. A cavity in the ground that receives human excrement and domestic waste to be partially absorbed directly by the surrounding soil.
COMMERCIAL SANITARIAN. Any individual, partnership, broker, firm, association or corporation engaged in or carrying on the business of servicing or maintaining septic tanks, seepage pits or cesspools.
SEEPAGE PIT. A dry well, leaching pit or any other cavity in the ground which receives the liquid discharge of a septic tank.
SEPTIC TANK. A septic toilet, chemical closet or any other water-tight enclosure used for storage and decomposition of human excrement and domestic waste.
SERVICING AND MAINTAINING. Cleaning and removing waste from the septic tank, seepage pit or cesspool, and recovering the waste as before being exposed for cleaning.