US lawDistrict of ColumbiaRegulationsTitle 22-B โ HEALTHChapter 22-B73 โ CHILDHOOD LEAD POISONING PREVENTION737422-B DCMR 73747374. RESERVEDLast amended: 2005Length: 13 wordsOfficial source Cite as D.C. Mun. Regs. tit. 22-B, ยง 73747374 RESERVED SOURCE: Final Rulemaking published at 52 DCR 9852 (November 4, 2005).Previous22-B DCMR 7373Next22-B DCMR 7375