TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis

Date: 4/28/2006
Customer: HVES                                      
Circuit/Location: Unit 2
Manufacturer: Howard Industries
KVA?TYPE or M/N: 1000
Serial Number: 1865860906


TEST                  IN  SERVICE  NORMS*            RESULTS
Hydrogen (H2)            240 ppm                      1      PPM
Methane (CH4)            160 ppm                      0      PPM
Ethane (C2H6)            115 ppm                      0      PPM
Ethylene (C2H4)          190 ppm                      0      PPM
Acetylene (C2H2)          11 ppm                      0      PPM
Carbon Monoxide    (CO)  580 ppm                      14     PPM
Carbon Dioxide (CO2)      n/a                        230     PPM
Nitrogen (N2)             n/a                        82666   PPM
Oxygen (02)               n/a                        17321   PPM

TOTAL GAS                 n/a                        100232  PPM
TOTAL COMBUSTIBLES        n/a                        15      PPM
Estimated TCG             n/a                        0.01   %
CO2/CO Ratio:                                        16.06


ANALYSIS: 
All gases are within accepted limits.

RECOMMENDATION: 
Resample in 1 year.

*In-Service Norms as follows

         Generating              Transmission
H2       240 ppm                 100 ppm
CH4      160 ppm                 120 ppm
C2H6     115 ppm                  65 ppm
C2H4     190 ppm                  30 ppm
C2H2      11 ppm                  35 ppm
CO       580 ppm                 350 ppm