Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.
Open type traction battery means a type of battery requiring filling with liquid and generating hydrogen gas that is released to the atmosphere.
Aquatic invasive species means any invasive, prohibited,
Low-level radioactive waste or “waste” means radioactive waste that is not classified as high-level radioactive waste and that is Class A, B, or C low-level radioactive waste as defined in 10 C.F.R. §61.55, as that section existed on January 26, 1983. “Low-level radioactive waste” or “waste” does not include any such radioactive waste that is owned or generated by the United States department of energy; by the United States navy as a result of the decommissioning of its vessels; or as a result of research, development, testing, or production of an atomic weapon.
Opium poppy means the plant of the species Papaver somniferum L., except the seeds thereof.