3549.     VAN NOY, C. W., DUNVILLE, T. C., DRESSLER, R. G., AND CHAFFEE, C. C.  Guide for Making Cost Estimates for Chemical-Type Operations.  Bureau of Mines Rept. of Investigations 4534, 1949, 64 pp.

        Procedure suggested in this report is intended for the use of engineers, estimators and accountants, in estimating the cost of chemical-type operation, such as the production of synthetic liquid fuels, anhydrous NH₃, and the like.  It is intended to cover operating, not investment, costs.

        VAN RAAY, H.  See abs. 1836a.