The requirements of this subpart apply to owners and operators of facilities that use tank systems for storing or treating hazardous waste except as otherwise provided in paragraphs (a),(b), and (c) of this section or in § 265.1 of this part.
(a) Tank systems that are used to store or treat hazardous waste containing no free liquids and that are situated inside a building with an impermeable floor are exempted from the requirements of § 265.193 of this subpart. To demonstrate the absence or presence of free liquids in the stored/treated waste, the following test must be used: Method 9095B (Paint Filter Liquids Test) as described in "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods," EPA Publication SW-846, as incorporated by reference in § 260.11 of these regulations.(b) Tank systems, including sumps, as defined in § 260.10, that serve as part of a secondary containment system to collect or contain releases of hazardous wastes are exempted from the requirements in § 265.193 (a).(c) Tanks, sumps, and other collection devices used in conjunction with drip pads, as defined in § 260.10 of these regulations and regulated under Part 265 Subpart W, must meet the requirements of this subpart. (Amended August 29, 1988; August 10, 1990; November 19, 1993, July 23, 1996)
7 Del. Admin. Code § 1302-265-J-265.190
22 DE Reg. 678 (2/1/2019) (Final)