the minimum degree of economic disturbance in the agricultural sector of the economy consistent with protection of the public health and welfare, by clarifying the administrative standards to be used in determining when secondary ambient a
nimum degree of economic disturbance in the agricultural sector of the economy consistent with protection of the public health and welfare, by clarifying the administrative standards to be used in determining when secondary ambient air qual
![Sen. Grassley, Chuck [R-IA]](https://www.congress.gov/img/member/g000386_200.jpg)