SPRINGFIELD, Ill. (AP) — Stricter requirements for disclosing the use of chemicals are part of new proposed rules issued by the state Friday as part of the process of regulating fracking, the high-volume oil and gas drilling method that proponents hope will bring a surge of jobs to Illinois.

The highly anticipated rules, released by the state Department of Natural Resources, come after months of complaints about delays from industry officials anxious to begin hydraulic fracturing in what they say are southern Illinois’ rich deposits of natural gas. The state was hailed last year for legislation seen as a model of compromise on how to regulate the drilling practice, but that cooperation broke down when draft rules were criticized by both industry and environmental activists.