| U.S. General Accounting Office |
| Survey of State and Local Air Pollution Control Officials (GAO-04-337SP) |
| Q20_4. After which of the following occasions, if any, during the rule development process did your agency provide input to EPA on the final rule?: Since the EPA June 2001 NSR 90-Day Background Paper |
| Not checked | Checked | No answer | Number of respondents |
| 37 | 8 | 0 | 45 |