Underground source of drinking water (USDW) means an aquifer or its portion:
Flea and tick insecticide means any insecticide product that is designed for use against fleas, ticks, their larvae, or their eggs. “Flea and Tick Insecticide” does not include products that are designed to be used exclusively on humans or animals and their bedding.
Insecticide fogger means any insecticide product designed to release all or most of its content, as a fog or mist, into indoor areas during a single application.
Indoor means within a fully enclosed and secure building.
Drinking water means water that meets criteria as specified in 40 CFR 141 National Primary Drinking Water Regulations. "Drinking water" is traditionally known as "potable water." "Drinking water" includes the term "water" except where the term used connotes that the water is not potable, such as "boiler water," "mop water," "rainwater," "wastewater," and "nondrinking" water.