Sunday, December 5, 2010

Residual Risk and Technology Review For Group I Polymers and Resins

Portions of the residual risk and technology review (RTR) for Group I Polymers and Resins (P&R I)has been finalized. The proposed NESHAP RTR for Group I Polymers and Resins (subpart U) was signed on September 14, 2010 and the final rule must be signed before June 30, 2011. P&R I covers nine source categories that produce elastomers. Final RTR decisions have already been made for four of the source categories.

For the other five source categories, EPA has proposed that the current Maximum Achievable Control Technology (MACT) standards provide ample margin of safety and that there have been no advancements in technologies. EPA has also proposed to eliminate exemptions for periods of startup, shutdown and malfunction. Finally, EPA has proposed new standards for significant emission points not previously regulated at five of the nine source categories.

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