Helium Report for Month of May 2003 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 564 9% 511 53 9% $414.50 Andraka 232 4% 218 14 6% $151.00 Angerho 26 0% 23 3 12% $59.50 Astro 0 0 0 $0.00 B20 238 4% 226 12 5% $149.00 B25 0 0 0 $0.00 B122 380 6% 347 33 9% $272.50 B155 0 0 0 $0.00 Biswas 0 0 0 $0.00 Chemist 791 12% 758 33 4% $1,664.50 Geology 0 0 0 $0.00 Hebard 223 3% 202 21 9% $164.00 Hill 746 12% 723 23 3% $430.50 Ihas 0 0 0 $0.00 Lee 165 3% 157 8 5% $102.50 NSC 0 0 0 $0.00 MBI4.7 262 4% 262 0 0% $524.00 MBI11T 457 7% 457 0 0% $914.00 MBI18T 0 0 0 $0.00 Meisel 383 6% 367 16 4% $231.50 MKBay#1 0 0 0 $0.00 MKBay#2 0 0 0 $0.00 MKBay#3 905 14% 905 0 0% $1,810.00 Stewart 216 3% 203 13 6% $140.50 Sulliva 647 10% 565 82 13% $528.50 Takano 0 0 0 $0.00 Tanner 154 2% 58 96 62% $317.00 W129 0 0 0 $0.00 TOTAL 6389 407 $7,873.50 lL lost 616 lL lost / day 19 usage lost % 10% lL recovered at Master Meter 8311 recovery rate 93% transfers 62 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of May 2003 Users Amount %of Ttl Recovrd Lost %Lost $$$$$ Bowers 184 23% 177 7 4% $385.50 Christo 215 27% 185 30 14% $505.00 Eyler 234 30% 230 4 2% $478.00 Katritz NMR 106 13% 72 34 32% $297.00 SpecSrv 0 Talham Richard 52 7% 44 8 15% $124.00 TOTAL 791 83 $1,789.50 Recovered at Master Meter 912 Recovered at Physics 914 Recovery system loss -2 Lost 81 Total recovery rate 90% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only