After 18 months of waiting, the U.S. Environmental Protection Agency (EPA) has finalized its updated multi-sector general permit (MSGP) for stormwater discharges from industrial activities, including ready mixed concrete production.

The new 2015 MSGP will eventually serve as the minimum standard in many areas, but will only immediately affect operations in areas not overseen by state permitting programs, according to NRMCA e-news.

View the published rule here and supplementary documents here.
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