TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis
Customer: HVES                                      Date: 09/23/99
Equipment/Unit Location: HVES 18
Manufacturer: Alstom
Serial Number: PEI-1075

TEST                IN SERVICE  NORMS*                RESULTS
Hydrogen (H2)         240  ppm                        <1        PPM
Methane (CH4)         160  ppm                        <1        PPM
Acetylene (C2H2)       11  ppm                        <1        PPM
Ethylene (C2H4)       190  ppm                        1         PPM
Ethane (C2H6)         115  ppm                        <1        PPM
Carbon Monoxide (CO)  580  ppm                        12        PPM
Carbon Dioxide (CO2)   n/a                            1180      PPM
Oxygen (02)            n/a                            15411     PPM
Nitrogen (N2)          n/a                            69335     PPM

TOTAL GAS              n/a                            85940     PPM
TOTAL COMBUSTIBLES     n/a                            13        PPM

Estimated TCG          n/a                            0.011   %

ANALYSIS: All gases are within the accepted limits.

RECOMMENDATION: Resample in 1 year.

*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