| 000 | 00518nam a2200133 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110811.0 | ||
| 035 | _aF8901000720024 | ||
| 084 | _aEPA PUB APTD 1503 1973 | ||
| 245 | _aBackground information on the development of National Emiss-ion Standards for hazardous air pollutants: asbestos, beryl-lium, and mercury | ||
| 260 | _aWashington, D.C. : Environmental Protection Agency | ||
| 300 | _a[101] p. | ||
| 440 | _aPublication ; no.APTD-1503 | ||
| 690 | _aContaminantes peligrosos en el aire - Información básica | ||
| 999 |
_c65890 _d65890 |
||