The rules targeted hydrogen sulfide, a gas with a rotten egg smell. The officer said the rules violated a settlement between the health department and the company.
The change would require DEP to determine how much of each kind of pollutant can be spilled before a spill is reported. Critics say that's impractical.
Plastic traded between countries has the carbon footprint of a mid-sized European country. By 2050, it will account for 15% of the world's greenhouse gases.
A loophole in state law allows drilling wastewater to be used on roads to suppress dust or melt ice, but it contains salts, metals and radioactive materials.
Gov. Wolf is likely to veto the measure. The House and Senate would each have 30 calendar days or 10 legislative days–whichever is longer–to try to override it.
