Helium Report for Month of February 1998 Users Amount %ofTtl Recovrd Lost %Lost $ Adams 0 0 0 $0.00 Chemistry 598 15% 439 159 27% $1,593.50 Graybeal 0 0 $0.00 Hebard 171 4% 162 9 5% $108.00 Ihas 230 6% 226 4 2% $125.00 MSE 270 7% 262 8 3% $560.00 Meisel 0 0 0 $0.00 MKBay#1 1501 36% 1381 120 8% $1,050.50 MKBay#2 0 0 0 $0.00 MKBay#3 1056 26% 997 59 6% $675.50 Reitze 0 0 0 $0.00 Sharifi 0 0 $0.00 Stewart 33 1% 33 0 0% $16.50 Sullivan 260 6% 253 7 3% $147.50 Takano 1 0% 1 0 0% $0.50 Tanner 0 0 0 $0.00 TOTAL 4120 366 $4,277 448 lL lost 15 lL lost / day 11% of usage lost 5240 lL recovered at Master Meter 91% recovery rate 35 transfers $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost.