| U.S. General Accounting Office |
| Survey of State and Local Air Pollution Control Officials (GAO-04-337SP) |
| Q12_5. In your professional judgment, prior to the December 31, 2002 revisions, what were the two best features attributable to the PSD/NSR program for meeting air quality standards?: Air quality monitoring to determine local impacts |
| Not checked | Checked | No answer | Number of respondents |
| 41 | 4 | 0 | 45 |