US lawDistrict of ColumbiaRegulationsTitle 20 โ ENVIRONMENTChapter 20-43 โ HAZARDOUS WASTE MANAGEMENT - ADMINISTRATION AND ENFORCEMENT439720 DCMR 43974397. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 20, ยง 43974397 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005).Previous20 DCMR 4396Next20 DCMR 4398