- Table W-1D to Subpart W of Part 98—Designation Of Eastern And Western U.S.
Link to an amendment published at 89 FR 42323, May 14, 2024. Eastern U.S.
| Western U.S.
| Connecticut | Alabama
| Delaware | Alaska
| Florida | Arizona
| Georgia | Arkansas
| Illinois | California
| Indiana | Colorado
| Kentucky | Hawaii
| Maine | Idaho
| Maryland | Iowa
| Massachusetts | Kansas
| Michigan | Louisiana
| New Hampshire | Minnesota
| New Jersey | Mississippi
| New York | Missouri
| North Carolina | Montana
| Ohio | Nebraska
| Pennsylvania | Nevada
| Rhode Island | New Mexico
| South Carolina | North Dakota
| Tennessee | Oklahoma
| Vermont | Oregon
| Virginia | South Dakota
| West Virginia | Texas
| Wisconsin | Utah
| | Washington
| | Wyoming |