US lawDistrict of ColumbiaRegulationsTitle 22-B โ HEALTHChapter 22-B73 โ CHILDHOOD LEAD POISONING PREVENTION730422-B DCMR 73047304. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 22-B, ยง 73047304 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9852 (November 4, 2005).Previous22-B DCMR 7303Next22-B DCMR 7305