Helium Report for Month of April 2003 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 489 9% 419 70 14% $419.50 Andraka 72 1% 63 9 13% $58.50 Angerho 0 0 0 $0.00 Astro 0 0 0 $0.00 B20 279 5% 258 21 8% $192.00 B25 0 0 0 $0.00 B122 509 9% 479 30 6% $329.50 B155 0 0 0 $0.00 Biswas 67 1% 67 0 0% $33.50 Chemist 466 8% 424 42 9% $1,037.00 Geology 0 0 0 $0.00 Hebard 150 3% 139 11 7% $102.50 Hill 800 15% 751 49 6% $522.50 Ihas 0 0 0 $0.00 Lee 0 0 0 $0.00 NSC 0 0 0 $0.00 MBI4.7 96 2% 96 0 0% $192.00 MBI11T 357 7% 357 0 0% $714.00 MBI18T 0 0 0 $0.00 Meisel 250 5% 240 10 4% $150.00 MKBay#1 0 0 0 $0.00 MKBay#2 0 0 0 $0.00 MKBay#3 918 17% 908 10 1% $1,861.00 Stewart 162 3% 142 20 12% $131.00 Sulliva 632 12% 598 34 5% $401.00 Takano 0 0 0 $0.00 Tanner 244 4% 163 81 33% $324.50 W129 0 0 0 $0.00 TOTAL 5491 387 $6,468.50 lL lost 692 lL lost / day 23 usage lost % 13% lL recovered at Master Meter 7777 recovery rate 91% transfers 62 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of April 2003 Users Amount %of Ttl Recovrd Lost %Lost $$$$$ Bowers 32 7% 30 2 6% $69.00 Christo 135 29% 135 $270.00 Eyler 120 26% 120 $240.00 Katritz 20 4% 20 100% $90.00 NMR 114 24% 107 7 6% $245.50 Richard 19 4% 16 3 16% $45.50 Talham Rm303 26 6% 21 5 19% $64.50 TOTAL 466 37 $1,024.50 Recovered at Master Meter 534 Recovered at Physics 533 Recovery system loss 1 Lost 38 Total recovery rate 92% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only