State regulators of the oil and gas industry will be debating next month over how gas drilling companies should deal with large and potentially toxic pit liners. The liners are giant sheets of ...

An oil and gas industry group on Monday withdrew its objection to a rule that requires drilling pad pit liners to be disposed in certified landfill sites. The industry will instead shift its focus to ...

A spokesman for Denver Mayor John Hickenlooper’s gubernatorial campaign late Monday took exception with a Colorado Independent blog post earlier in the day questioning the mayor’s recent statements ...

An industry group has ended its attempt to persuade state regulators to change a new rule governing disposal of oil and gas pit liners. The Colorado Petroleum Association instead plans to work with ...

GLENWOOD SPRINGS – Now that the state has decided to stick to rules requiring disposal of “pit liners” used to contain holding ponds next to gas drilling pads, Garfield County is trying to figure out ...

RIFLE, Colo. – Garfield County and the state’s gas and oil overseers are deep in talks about what to do with huge rubbery sheets covered with sludge, some of it apparently toxic, that are a byproduct ...

In an oil and gas company’s efforts to keep them out of landfills, liners that the state now requires to be removed when drilling pits are closed are being recycled as plastics and also used to fire ...