Metal piping that routinely contains regulated substances and is in contact with earthen materials shall be cathodically protected in accordance with a code of practice that is either listed in § 5704.1(b) or approved by the Department in accordance with § 5506.
Metal piping that routinely contains regulated substances and is in contact with earthen materials shall meet the requirements of §§ 5704.3 and 5704.4.
Metal piping that routinely contains regulated substances and is in contact with earthen materials but does not meet the requirements of §§ 5802.1 and 5802.2 shall be replaced with new piping and satisfy the requirements of § 5704.
D.C. Mun. Regs. tit. 20, r. 20-5802