40 CFR § 273.2 - Applicability - batteries.
(a) Batteries covered under 40 CFR part 273.
(1) Spent lead-acid batteries that are managed under 40 CFR part 266, subpart G.
(3) Batteries, as described in § 273.9, that are not hazardous waste. A battery is a hazardous waste if it exhibits one or more of the characteristics identified in part 261, subpart C of this chapter.
(c) Generation of waste batteries.
(1) A used battery becomes a waste on the date it is discarded (e.g., when sent for reclamation).
(2) An unused battery becomes a waste on the date the handler decides to discard it.
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