Summary of VGC Data Dictionary changes from Version 19960423 to Version 19970416
OLD CALOILID     5 0 C                 2         250 CALIBRATION OIL ID                                          
NEW CALOILID    10 0 C                 2         270 CALIBRATION OIL ID                                          
OLD
NEW CALTIME      5 0 C HH:MM           2         300 DAILY CALIBRATION TIME (HH:MM)                              
OLD CALVOL       6 2 N                 2         270 CALIBRATION OIL % VOLATIZED @ 371'C... 700'F                
NEW CALVOL       5 1 N                 2         290 CALIBRATION OIL % VOLATIZED @ 371'C... 700'F                
OLD COLTHOPN     5 1 N meters          2         390 OPEN COLUMN LENGTH (meters)                                 
NEW COLTHOPN     3 0 N meters          2         430 OPEN COLUMN LENGTH (meters)                                 
OLD COLTHPAK     5 1 N meters          2         380 PACKED COLUMN LENGTH (meters)                               
NEW COLTHPAK     3 0 N meters          2         420 PACKED COLUMN LENGTH (meters)                               
OLD
NEW DTCALEXP     8 0 C YYYYMMDD        2         260 CALIBRATION EXPIRATION DATE (YYYYMMDD)                      
OLD
NEW ININJTMP     6 1 N DEG C           2         310 INITIAL INJECTOR TEMPERATURE (DEG C)                        
OLD INSTRUID    13 0 C                 1          50 INSTRUMENT ID                                               
NEW INSTRUID    20 0 C                 1          60 INSTRUMENT ID                                               
OLD INSTRUNO     5 0 C                 1          60 INSTRUMENT RUN NUMBER                                       
NEW INSTRUNO    10 0 C                 1          70 INSTRUMENT RUN NUMBER                                       
OLD
NEW LABOCODE    12 0 C                 2         230 LABORATORY INTERNAL OIL CODE                                
OLD
NEW METHOD      25 0 C D2887/D5480     1          20 TEST METHOD (D2887/D5480)                                   
OLD RELRRxxx     5 2 N                 2         600 DETECTOR RELATIVE RESPONSE XXX                              
NEW RELRRxxx     7 4 A                 2         640 DETECTOR RELATIVE RESPONSE XXX[N/A]                         
OLD RESOLOPN     5 1 N                 2         430 OPEN COLUMN RESOLUTION                                      
NEW RESOLOPN     5 1 A                 2         470 OPEN COLUMN RESOLUTION[N/A]                                 
OLD RESOLPAK     5 1 N                 2         420 PACKED COLUMN RESOLUTION                                    
NEW RESOLPAK     5 1 A                 2         460 PACKED COLUMN RESOLUTION[N/A]                               
OLD SAMPVOL      5 1 N                 2         610 SAMPLE % VOLATIZED @ 371'C ... 700'F                        
NEW
OLD
NEW SAMPVOLA     5 1 N Area  %         2         660 SAMPLE AREA % VOLATIZED @ 371'C ... 700'F (Area  %)         
OLD
NEW SAMPVOLM     5 1 N Mass %          2         650 SAMPLE MASS % VOLATIZED @ 371'C ... 700'F (Mass %)          
OLD TSTMETH     25 0 C                 2         200 TEST METHOD                                                 
NEW
OLD TSTSPON1    40 0 C                 1          20 TEST SPONSOR                                                
NEW TSTSPON1    40 0 C                 1          30 CONDUCTED FOR, LINE 1                                       
OLD TSTSPON2    40 0 C                 1          30 TEST SPONSOR 2                                              
NEW TSTSPON2    40 0 C                 1          40 CONDUCTED FOR, LINE 2