Helium Report for the Year of 1998 Users Amount %ofTtl Recovrd Lost %Lost $$$$$$ Adams 652 1% 621 31 5% $419.00 Chemistry 7839 18% 6094 1745 22% $20,913.00 Geology 87 0% 87 0 0% $174.00 Graybeal 436 1% 374 62 14% $404.00 Hebard 1501 3% 1308 193 13% $1,329.50 Ihas 1436 3% 1431 5 0% $733.00 MSE 1390 3% 1348 42 3% $2,906.00 Meisel 551 1% 453 98 18% $569.50 MKBay#1 6991 16% 6507 484 7% $4,947.50 MKBay#2 5 0% 5 0 0% $2.50 MKBay#3 10652 24% 10442 210 2% $5,956.00 Reitze 0% 0 0% $0.00 Sharifi 822 2% 510 312 38% $1,347.00 Stewart 2461 6% 2397 64 3% $1,422.50 Sullivan 4485 10% 4307 178 4% $2,776.50 Takano 1093 3% 1034 59 5% $723.50 Tanner 1365 3% 712 653 48% $2,641.50 B155 1084 2% 1022 62 6% $728.00 Angerhofer 745 2% 556 189 25% $939.50 TOTAL 43595 4136 $47,265 9519 lL lost 26 lL lost / day 22% of usage lost 58164 lL recovered at Master Meter 84% recovery rate 439 transfers