US lawDistrict of ColumbiaRegulationsTitle 20 โ ENVIRONMENTChapter 20-43 โ HAZARDOUS WASTE MANAGEMENT - ADMINISTRATION AND ENFORCEMENT437420 DCMR 43744374. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 20, ยง 43744374 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9653 (October 28, 2005).Previous20 DCMR 4373Next20 DCMR 4375