Helium Report for Month of October 1999 Users Amount %ofTtl Recovrd Lost %Lost $$$$$$ Adams 520 10% 505 15 3% $297.50 Andraka 16 0% 16 0 0% $8.00 Angerhofer 184 3% 119 65 35% $254.50 Astronomy 64 1% 0 64 100% $288.00 B122 0 0 0 $0.00 B155 221 4% 205 16 7% $150.50 Chemistry 717 13% 632 85 12% $1,646.50 Graybeal 0 0 0 $0.00 Hebard 170 3% 149 21 12% $137.50 Ihas 0 0 0 $0.00 Meisel 72 1% 59 13 18% $68.50 MKBay#1 1013 19% 958 55 5% $644.00 MKBay#2 0 0 0 $0.00 MKBay#3 1356 25% 1251 105 8% $940.50 Reitze 0 0 0 $0.00 Sharifi 370 7% 332 38 10% $280.00 Stewart 60 1% 60 0 0% $30.00 Sullivan 474 9% 438 36 8% $327.00 Takano 0 0 0 $0.00 Tanner 174 3% 122 52 30% $217.00 W129 0 0 0 $0.00 TOTAL 5349 503 $5,103.50 836 lL lost 28 lL lost / day 16% of usage lost 6668 lL recovered at Master Meter 87% recovery rate 51 transfers $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost.