Section 5(g) of the Federal Water Pollution Control Act, referred to in text, was originally classified to section 466c(g) of Title 33, Navigation and Navigable Waters. Section 5(g) of the Act was redesignated as section 5(m) by sec. 105(l) of Pub. L. 91–224, Apr. 3, 1970, 84 Stat. 111, and was reclassified to section 1155(m) of Title 33. The Federal Water Pollution Control Act was amended generally by sec. 2 of Pub. L. 92–500, Oct. 18, 1972, 86 Stat. 816, and the provisions relating to comprehensive estuarine pollution study are contained in section 104(n), which is classified to section 1254(n) of Title 33.