Cfr part 1500 July 8, 2019 16 32 64 128 40 cfr part 1500 2 cfr part 1500 49 cfr part 1500 16 cfr part 1500.17 16 cfr part 1500.48 16 cfr part 1500.19 16 cfr part 1500.44 Cfr part 1