D.C. Mun. Regs. tit. 21, § 547
547.1 If a site involves a land disturbance of five thousand square feet (5,000 ft²) or more, the owner of the site and the site manager shall ensure that a responsible person is present or available as this section requires.
547.2 A responsible person shall, while the site is in a phase involving land-disturbing activity, ensure that the activity complies with this chapter by:
547.3 A responsible person shall be:
547.4 During construction, the responsible person shall have available on-site proof of professional licensing or of successful completion of a Department-approved training program.
547.5 A Department-approved training program shall cover the following topics, as demonstrated in the training syllabus:
(d) A description of sediment as a pollutant;
(e) The process of:
(1) Erosion;
(2) Sediment transport; and
(3) Sediment deposition;
(f) Proper implementation of erosion and sediment control;
(g) Recognition and correction of improperly implemented erosion and sediment controls;
(h) Proper maintenance of erosion and sediment controls; and
(i) Responsibilities of supervisory and enforcement personnel.
SOURCE: Final Rulemaking published at 60 DCR 10640 (July 19, 2013); as amended by Final Rulemaking published at 67 DCR 818 (January 31, 2020).