US lawDistrict of ColumbiaRegulationsTitle 20 — ENVIRONMENTChapter 20-42 — HAZARDOUS WASTE MANAGEMENT - STANDARDS FOR THE MANAGEMENT OF HAZARDOUS WASTE AND USED OIL422220 DCMR 42224222. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 20, § 42224222 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005).Previous20 DCMR 4221Next20 DCMR 4223