Air-quality standards recommended for feeding operations.
D000397:Air Pollution / Q000032:analysis / Q000517:prevention & control*; D000641:Ammonia / Q000009:adverse effects / Q000032:analysis; D000821:Animal Feed; D000818:Animals; D006801:Humans; D006862:Hydrogen Sulfide / Q000009:adverse effects / Q000032:analysis
D000641:Ammonia; D006862:Hydrogen Sulfide