Measures that would allow states to restrict interstate transport of nonhazardous waste have been introduced in both the House and Senate but, thus far, have not been passed.

允许各州之间限制无害废弃物流动的法案，已经在众议院和参议院之间提出，但至此仍没用过。

youdao

Industrial facilities in the United States generate 7.6 billion tons of nonhazardous waste annually, according the Environmental Protection Agency.

FORBES: How GM Makes $1 Billion A Year By Recycling Waste