Helium Report for Month of December 2002 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 564 8% 531 33 6% $364.50 Andraka 254 4% 213 41 16% $229.50 Angerho 0 0 0 $0.00 Astro 0 0 0 $0.00 B20 0 0 0 $0.00 B25 0 0 0 $0.00 B122 332 5% 277 55 17% $303.50 B155 249 4% 230 19 8% $172.00 Biswas 0 0 0 $0.00 Chemist 619 9% 494 125 20% $1,550.50 Geology 0 0 0 $0.00 Hebard 158 2% 133 25 16% $141.50 Hill 331 5% 296 35 11% $253.00 Ihas 207 3% 200 7 3% $121.00 Lee 0 0 0 $0.00 NSC 0 0 0 $0.00 MBI4.7 159 2% 159 0 0% $318.00 MBI11T 396 6% 396 0 0% $792.00 Meisel 486 7% 469 17 3% $285.50 MKBay#1 1113 16% 1108 5 0% $569.00 MKBay#2 1193 17% 1097 96 8% $836.50 MKBay#3 782 11% 782 0 0% $1,173.00 Stewart 0 0 0 $0.00 Sulliva 109 2% 106 3 3% $62.00 Takano 0 0 0 $0.00 Tanner 20 0% 19 1 5% $12.50 W129 0 0 0 $0.00 TOTAL 6972 462 $7,184.00 lL lost 1129 lL lost / day 38 usage lost % 16% lL recovered at Master Meter 9117 recovery rate 88% transfers 63 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of December 2002 Users Amounts %of Ttl Recovrd Lost %Lost $$$$$ Bowers 33 5% 33 $66.00 Christo 274 44% 202 72 26% $728.00 Eyler 95 15% 95 $190.00 Katritz 22 4% 22 100% $99.00 NMR 195 32% 186 9 5% $412.50 Talham Weltner TOTAL 619 103 $1,495.50 Recovered at Master Meter 585 Recovered at Physics 559 Recovery system loss 25 Lost 17% Total recovery rate 83% Transfers 8 $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only