subroutine ch_readstd3d
*
#if defined (DOC)
*
***s/r CH_READSTD3D  - Read the spectral coefficients of standard deviations
*                    from a RPN standard file and perform vertical
*                    interpolation.
*
**************************************************************
*
* IMPORTANT: This is a stand-in module for the corresponding
*            s/r in the chemical species code library.
*
**************************************************************
*
*Author  : 
*
*Revision:
*     
*
* Arguments:
*   input:
*     
*
#endif
      implicit none
*implicits
*
*
#include "comct0.cdk"
#include "pardim.cdk"
#include "comdim.cdk"
#include "comlun.cdk"
#include "comchem.cdk"
#include "comspg.cdk"
#include "rpnstd.cdk"
#include "comleg.cdk"
#include "cominterp.cdk"
#include "compstat.cdk"
*
*
      RETURN
      END