Helium Report for Month of December 2001 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 470 11% 454 16 3% $275.00 Andraka 6 0% 6 0 0% $3.00 Angerho 11 0% 11 0 0% $5.50 Astro 0 0 0 $0.00 B25 0 0 0 $0.00 B122 0 0 0 $0.00 B155 0 0 0 $0.00 Chemist 393 9% 351 42 11% $891.00 Geology 0 0 0 $0.00 Hebard 230 5% 225 5 2% $127.50 Hill 345 8% 280 65 19% $335.00 Ihas 0 0 0 $0.00 Lee 0 0 0 $0.00 NSC 23 1% 0 23 100% $103.50 MBI 0 0 0 $0.00 Meisel 0 5 -5 ($12.50) MKBay#1 1102 25% 1077 25 2% $613.50 MKBay#2 1069 24% 1060 9 1% $557.00 MKBay#3 0 0 0 $0.00 Stewart 282 6% 268 14 5% $176.00 Sulliva 0 0 $0.00 Takano 445 10% 409 36 8% $312.50 Tanner 35 1% 14 21 60% $70.00 W129 0 0 0 $0.00 TOTAL 4411 251 $3,457.00 lL lost 504 lL lost / day 17 usage lost % 11% lL recovered at Master Meter 6645 recovery rate 92% transfers 47 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of December 2001 Users Amounts %of Ttl Recovrd Lost %Lost $$$$$ Bowers 76 19% 37 39 51% $249.50 Christo 92 23% 63 29 32% $256.50 Eyler 98 25% 87 11 11% $223.50 Katritz NMR 108 27% 117 -9 -8% $193.50 Talham 19 5% 19 $38.00 Weltner TOTAL 393 70 $961.00 490 Recovered at Master Meter 503 Recovered at Physics -3% Lost -13 Recovery system loss 128% Total recovery rate 5 Transfers $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only