TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis
Customer: HVES                                      Date: 03/15/1999
Equipment/Unit Location: HVES 10
Manufacturer: HK Porter Co. Inc.
Serial Number: W242616

TEST                IN SERVICE NORMS*                RESULTS
Hydrogen (H2)         240 ppm                        <20       PPM
Methane (CH4)         160 ppm                        7         PPM
Acetylene (C2H2)       11 ppm                        <2        PPM
Ethylene (C2H4)       190 ppm                        72        PPM
Ethane (C2H6)         115 ppm                        2         PPM
Carbon Monoxide (CO)  580 ppm                        102       PPM
Carbon Dioxide (CO2)   n/a                           2711      PPM
Oxygen (02)            n/a                           28553     PPM
Nitrogen (N2)          n/a                           62354     PPM

TOTAL GAS              n/a                           93805     PPM
TOTAL COMBUSTIBLES     n/a                           187       PPM

Estimated TCG          n/a                           0.105   %

ANALYSIS: Ethylene level is above the accepted limit. Gas ratios indicate
overheating of the oil.

RECOMMENDATION: Resample in 6 months.

*In-Service Norms as follows -
Generating           Transmission
H2     240  ppm               100 ppm
CH4    160  ppm               120 ppm
C2H2    11  ppm                35 ppm
C2H4   190  ppm                30 ppm
C2H6   115  ppm                65 ppm
Co     580  ppm               350 ppm
The above analyses were performed using the TOGAS direct injection system
rather than the vacuum extraction method described in ASTM D3612.

PRO/gasoil