US lawDistrict of ColumbiaRegulationsTitle 20 โ ENVIRONMENTChapter 20-43 โ HAZARDOUS WASTE MANAGEMENT - ADMINISTRATION AND ENFORCEMENT432120 DCMR 43214321. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 20, ยง 43214321 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005).Previous20 DCMR 4320Next20 DCMR 4322