by means of a mixed melting-point determination with its phenylhydrazone (m. p. 118°) and that of an authentic specimen of ethyl pyruvate.Of the basic product twelve g. distilled at 114-116°( 22 mm.) and was shown (see below) to be ethyl-/3-piperidinopropionate; yield, 75% of the theoretical; dm, 0.927.

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A post-project audit was conducted of 239 impacts forecast in an representative cross-section of 29 U.S. environmental impact statements. Results must be qualified because of the imprecision of EIS forecasts and the quality of data available to a retrospective evaluator. Relatively few forecasts were found to be inaccurate and even fewer unanticipated impacts were identified. However, only 30% of the impacts were unqualifiedly close to their forecasts, with almost as many rated accurate principally by virtue of the vagueness of the forecasts.

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