Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.

The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.

This is a users manual for VSMOKE, a computer program for predicting the smoke and dry weather visibility impact of a single prescribed fire at several downwind locations. VSMOKE is a FORTRAN 77 program that depands on the input in file VSMOKE.IPT to generate output in file VSMOKE.OUT. VSMOKE is based on steady-state Gaussian plume modeling principles compatible with those used by the U.S. Environmental Protection Agency. VSMOKE is uniquely tailored as a plume model for a low to moderate intensity ground fire as an emission source.