Helium Report for Month of October 2002 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 531 6% 527 4 1% $275.50 Andraka 41 0% 38 3 7% $28.00 Angerho 35 0% 33 2 6% $22.50 Astro 0 0 0 $0.00 B20 0 0 0 $0.00 B25 490 6% 465 25 5% $307.50 B122 314 4% 285 29 9% $229.50 B155 262 3% 245 17 6% $173.50 Biswas 0 0 0 $0.00 Chemist 772 9% 650 122 16% $1,849.00 Geology 0 0 0 $0.00 Hebard 188 2% 168 20 11% $144.00 Hill 270 3% 255 15 6% $172.50 Ihas 0 0 0 $0.00 Lee 0 0 0 $0.00 NSC 56 1% 0 56 100% $252.00 MBI4.7 158 2% 158 0 0% $316.00 MBI12T40 642 8% 642 0 0% $1,284.00 Meisel 297 4% 259 38 13% $243.50 MKBay#1 1188 14% 1126 62 5% $749.00 MKBay#2 732 9% 728 4 1% $376.00 MKBay#3 1811 22% 1811 0 0% $2,716.50 Stewart 499 6% 466 33 7% $332.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 88 1% 52 36 41% $134.00 W129 0 0 0 $0.00 TOTAL 8374 466 $9,605.00 lL lost 1061 lL lost / day 34 usage lost % 13% lL recovered at Master Meter 9831 recovery rate 89% transfers 71 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of October 2002 Users Amounts %of Ttl Recovrd Lost %Lost $$$$$ Bowers 156 20% 130 26 17% $377.00 Christo 257 33% 215 42 16% $619.00 Eyler 159 21% 124 35 22% $405.50 Katritz NMR 200 26% 177 23 12% $457.50 Talham Weltner TOTAL 772 126 $1,859.00 Recovered at Master Meter 625 Recovered at Physics 630 Lost -1% Recovery system loss -4 Total recovery rate 82% Transfers 10 $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only