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Rep. Lamar Smith (R-TX) is back with more accusations against National Oceanic and Atmospheric Administration (NOAA) climate scientists. The new claims came in the form of an additional letter sent to Commerce Secretary Penny Pritzker on Wednesday.

The letter alleges for the very first time, that “information supplied to the [Residence Committee on Science, Space, and Technologies] by whistleblowers seems to show that the Karl study was rushed to publication in spite of the concerns and objections of a number of NOAA scientists.” The letter states that “Dr. Karl rushed to publish the study prior to all appropriate critiques of the underlying science and new methodologies utilized in the foundational climate datasets were performed.”

Why would the study be rushed? Rep. Smith writes that “the timing of its release raises concerns that it was expedited to match the Administration’s aggressive climate agenda.” The June study in the journal Science came out two months prior to the new EPA “Clean Power Plan” regulations had been finalized, and five months just before the upcoming international climate negotiations in Paris.