Helium Report for Month of May 2002 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 667 9% 602 65 10% $496.00 Andraka 149 2% 136 13 9% $107.00 Angerho 83 1% 82 1 1% $44.00 Astro 0 0 0 $0.00 B25 0 0 0 $0.00 B122 0 0 0 $0.00 B155 316 4% 316 0 0% $158.00 Chemist 872 12% 734 138 16% $2,089.00 Geology 0 0 0 $0.00 Hebard 118 2% 111 7 6% $76.50 Hill 0 0 0 $0.00 Ihas 2 0% 2 0 0% $1.00 Lee 0 0 0 $0.00 NSC 0 0 0 $0.00 MBI 387 6% 450 -63 -16% $616.50 Meisel 33 0% 33 0 0% $16.50 MKBay#1 1172 17% 1105 67 6% $753.50 MKBay#2 0 0 0 $0.00 MKBay#3 2116 30% 2116 0 0% $3,174.00 Stewart 395 6% 361 34 9% $282.50 Sulliva 0 0 0 $0.00 Takano 540 8% 501 39 7% $367.50 Tanner 183 3% 115 68 37% $261.50 W129 0 0 0 $0.00 TOTAL 7033 369 $8,443.50 lL lost 466 lL lost / day 14 usage lost % 7% lL recovered at Master Meter 9120 recovery rate 95% transfers 69 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of May 2002 Users Amounts %of Ttl Recovrd Lost %Lost $$$$$ Bowers 474 54% 386 88 19% $1,168.00 Christo 134 15% 131 3 2% $275.50 Eyler 98 11% 98 $196.00 Katritz 32 4% 32 100% $144.00 NMR 134 15% 109 25 19% $330.50 Talham Weltner TOTAL 872 148 $2,114.00 Recovered at Master Meter 841 Recovered at Physics 847 Lost -1% Recovery system loss -6 Total recovery rate 97% Transfers 12 $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only