No free liquids,
No free liquids, as used in 40 CFR 261.4(26) and 40 CFR 261.4(b)(18), means that solvent-contaminated wipes may not contain free liquids as determined by Method 9095B (Paint Filter Liquids Test), included in Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (EPA Publication SW-846), which is incorporated by reference, and that there is no free liquid in the container holding the wipes. No free liquids may also be determined using another standard or test method as defined by an authorized state.
40 CFR § 260.10
When used in parts 260 through 273 of this chapter, the following terms have the meanings given below: