31.   Some states have even more stringent standards.

32.   Soon the police were issued weapons for the first time, and had to meet stringent standards to serve.

33.   Stringent environmental standards and uneven regulation hurt electricity generation, the report argued.

34.   That could open the door to less stringent standards for poorer countries.

35.   The EPA has set more stringent standards for smog reduction and a new standard for fine particles.

36.   The dams were never intended to meet more stringent standards for protecting developed areas in a worst-case flood.

37.   The FBI, conversely, must abide by more stringent standards, such as those related to obtaining search warrants or wiretaps.

38.   The less stringent standard, introduced by negotiators for the Northeastern states Tuesday and Wednesday in Washington, would still mean a significant drop in nitrogen oxides.

39.   The settlement is likely to supersede a less stringent voluntary standard developed by the plumbing-fixtures industry and public health officials just last year.

40.   The settlement is likely to supersede a less stringent voluntary standard developed by the plumbing fixtures industry and public health officials just last year.