Helium Report for Month of September 2004 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 0 0 0 $0.00 Andraka 104 2% 102 2 2% $57.00 Angerho 0 0 0 $0.00 Astro 0 0 0 $0.00 B20 0 0 0 $0.00 B25 0 0 0 $0.00 B122 418 8% 389 29 7% $281.50 B124 159 3% 152 7 4% $97.00 B155 0 0 0 $0.00 Biswas 67 1% 67 0 0% $33.50 Chemist 494 9% 511 -17 -3% $945.50 Geology 0 0 0 $0.00 Hebard 464 9% 448 16 3% $272.00 Hill 812 15% 751 61 8% $558.50 Ihas 0 0 0 $0.00 Lee 472 9% 452 20 4% $286.00 Norton 149 3% 0 149 100% $670.50 NSC 0 0 0 $0.00 MBI4.7 98 2% 98 0 0% $196.00 MBI11T 280 5% 280 0 0% $560.00 MBI18T 0 0 0 $0.00 Meisel 239 5% 238 1 0% $122.00 MKBay#1 291 6% 263 28 10% $215.50 MKBay#2 0 0 0 $0.00 MKBay#3 828 16% 828 0 0% $1,656.00 Stewart 357 7% 350 7 2% $196.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 47 1% 22 25 53% $86.00 W129 0 0 0 $0.00 TOTAL 5279 328 $6,233.00 lL lost 587 lL lost / day 20 usage lost % 11% lL recovered at Master Meter 8220 recovery rate 93% transfers 62 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of September 2004 Users Amount %of Ttl Recovrd Lost %Lost $$$$$ Bowers 61 12% 58 3 5% $129.50 Christo 150 30% 150 $300.00 Eyler 122 25% 122 $244.00 Katritz Kleiman NMR 47 10% 48 -1 -2% $91.50 SpecSrv 0 Talham Ihas 114 23% 114 $57.00 TOTAL 494 2 $822.00 Recovered at Master Meter 665 Recovered at Physics 663 Recovery system loss 2 Lost 4 Total recovery rate 99% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only GN2 Usage Amount $$$$ NanoTech 461 92.2