TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis
Customer: HVES                                           Date: 08/11/2000
Equipment/Unit Location: HVES 22
Manufacturer: Alstom
Serial Number: PFH-0821

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                        3      PPM
Carbon Dioxide (CO2)     n/a                            277    PPM
Oxygen (02)              n/a                            8797   PPM
Nitrogen (N2)            n/a                            71629  PPM

TOTAL GAS                n/a                            82656  PPM
TOTAL COMBUSTIBLES       n/a                            3      PPM

Estimated TCG            n/a                            0.001  %

ANALYSIS: All gases are within accepted limits.  No decernible faults.

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