Coffeyville, Kan.-Coffeyville Resources LLC, the nitrogen fertilizer unit of CVR Energy Inc., Sugar Land, Texas, reported to the National Response Center that an unknown amount of anhydrous ammonia was released from a flare Nov. 20 due to a plant shutdown. CVR said it does not comment on day-to-day operations of the plant and did not respond to inquiries as to whether the plant was back up. The company had just announced Nov. 16 that the UAN plant had returned to production (GM Nov. 22, p. 11).
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