Helium Report for Month of September 1998 Users Amount %ofTtl Recovrd Lost %Lost $ Adams 0 0 0 $0.00 Chemistry 959 27% 619 340 35% $2,768.00 Graybeal 77 2% 73 4 5% $48.50 Hebard 207 6% 171 36 17% $193.50 Ihas 0 0 0 $0.00 MSE 0 0 0 $0.00 Meisel 0 0 0 $0.00 MKBay#1 0 0 0 $0.00 MKBay#2 0 0 0 $0.00 MKBay#3 1055 29% 1055 0 0% $527.50 Reitze 0 0 0 $0.00 Sharifi 5 0% 5 0 0% $2.50 Stewart 132 4% 121 11 8% $93.50 Sullivan 680 19% 609 71 10% $517.50 Takano 255 7% 248 7 3% $145.00 Tanner 28 1% -10 38 136% $109.00 B155 216 6% 203 13 6% $140.50 TOTAL 3614 507 $4,405.00 703 lL lost 23 lL lost / day 19% of usage lost 5006 lL recovered at Master Meter 86% recovery rate 41 transfers $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost.