Elementary neutralization unit
Elementary neutralization unit means a device which:
(1) Is used for neutralizing wastes that are hazardous only because they exhibit the corrosivity characteristic defined in § 261.22 of this chapter, or they are listed in subpart D of part 261 of the chapter only for this reason; and
(2) Meets the definition of tank, tank system, container, transport vehicle, or vessel in § 260.10 of this chapter.
Source
40 CFR § 260.10
Scoping language
When used in parts 260 through 273 of this chapter, the following terms have the meanings given below: