
      DOUBLE PRECISION CROnco , CUTof , SEAsq
      INTEGER IREcom , ISIcha , MKCron
 
 
      LOGICAL LCO2cr , LINtpt
      COMMON /DTCHAI/ SEAsq , CROnco , CUTof , MKCron , ISIcha , 
     &                IREcom , LCO2cr , LINtpt
