| Use constituting disposal (§261.2 (c)(1) ) |
Energy recovery/ fuel (§261.2 (c)(2) ) |
Reclamation (261.2(c)(3)), except as provided in §§261.2 (a)(2)(ii), 261.4(a)(17), 261.4(a)(23), 261.4(a)(24), or 261.4(a)(25) |
Speculative accumulation (§261.2 (c)(4) ) |