Helium Report for Month of December 1997 Users Amount %ofTtl Recovrd Lost %Lost $$$$ Adams 680 12% 630 50 7% $465.00 Chemistry 563 10% 585 -22 -4% $1,071.00 Graybeal 74 1% 74 0 0% $37.00 Hebard 169 3% 101 68 40% $254.50 Ihas 0 0 0 $0.00 MSE 290 5% 261 29 10% $652.50 Meisel 0 0 0 $0.00 MKBay#1 1449 25% 1359 90 6% $949.50 MKBay#2 0 0 0 $0.00 MKBay#3 1830 31% 1670 160 9% $1,315.00 Reitze 0 0 0 $0.00 Sharifi 7 0% -5 12 171% $33.50 Stewart 542 9% 532 10 2% $296.00 Sullivan 82 1% 75 7 9% $58.50 Takano 0 0 0 $0.00 Tanner 163 3% 115 48 29% $201.50 TOTAL 5849 452 $5,334 543 lL lost 18 lL lost / day 9% of usage lost 6919 lL recovered at Master Meter 92% recovery rate 49 transfers $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics