TRANSFORMER OIL TESTSDissolved Gas-in-oil Analysis
Customer: HVES                                      Date: 02/19/99
Equipment/Unit Location: HVES 12
Manufacturer: General Electric
Serial Number: ST079555327

TEST                IN SERVICE NORMS*               RESULTS
Hydrogen (H2)         240 ppm                        <1        PPM
Methane (CH4)         160 ppm                        14        PPM
Acetylene (C2H2)       11 ppm                        <1        PPM
Ethylene (C2H4)       190 ppm                        10        PPM
Ethane (C2H6)         115 ppm                        7         PPM
Carbon Monoxide  (CO) 580 ppm                        315       PPM
Carbon Dioxide (CO2)   n/a                           4917      PPM
Oxygen (02)            n/a                           9641      PPM
Nitrogen (N2)          n/a                           62545     PPM

TOTAL GAS              n/a                           77450     PPM
TOTAL COMBUSTIBLES     n/a                           346       PPM

Estimated TCG          n/a                           0.343   %

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