| 000 | 00603nam a2200229Ia 4500 | ||
|---|---|---|---|
| 001 | 003489 | ||
| 008 | 141222s9999 xx 000 0 und d | ||
| 040 | _aDB/INS | ||
| 041 | 0 | _aeng | |
| 084 | _aWA750 | ||
| 084 | _bU3f | ||
| 245 | 1 | 0 | _aFederal air quality control regions |
| 245 | 1 | 0 | _cOffice of the Assistant Commissioner for Regional Activities |
| 260 | _aRockville | ||
| 260 | _bU.S. Environmental Protection Agency | ||
| 260 | _c1972 | ||
| 300 | _aii 199 | ||
| 300 | _bilus.; maps. | ||
| 440 | 0 | _aPublication No. AP-102 | |
| 650 | 1 | _aContaminación del aire | |
| 651 | _aEstados Unidos | ||
| 999 |
_c12912 _d12912 |
||