information about Clean Air Act field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 36.7M papers | Chemistry 29.4M papers | Organic chemistry 13.1M papers | Ecology 8.3M papers |
Air pollution 107k papers | |||
| Current | |||
Clean Air Act 4,041 papers | |||
| Child | |||
New Source Review 0 papers | State Implementation Plan 0 papers | New Source Performance Standard 0 papers | |
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History