New tank system
New tank system or new tank component means a tank system or component that will be used for the storage or treatment of hazardous waste and for which installation has commenced after July 14, 1986; except, however, for purposes of 264.193(2) and 265.193(g)(2), a new tank system is one for which construction commences after July 14, 1986. (See also existing tank system.)
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: