Helium Report for Month of September 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 134 2% 126 8 6% $87.00 B20 248 4% 247 1 0% $126.50 B25 0 0 0 $0.00 B122 84 1% 84 0 0% $42.00 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 698 11% 698 0 0% $349.00 Hebard 905 14% 895 10 1% $477.50 Hill 1026 16% 884 142 14% $868.00 Lee 611 9% 599 12 2% $335.50 Meisel 238 4% 221 17 7% $161.50 MKBay#1 0 0 0 $0.00 MKBay#2 0 0 0 $0.00 MKBay#3 1498 23% 1423 75 5% $3,183.50 Petkova 0 0 0 $0.00 Stewart 328 5% 310 18 5% $209.00 Sulliva 0 0 0 $0.00 Takano 7 0% 6 1 14% $6.00 Tanner 113 2% 66 47 42% $174.00 W107 0 0 0 $0.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 305 5% 253 52 17% $740.00 Geology 0 0 0 $0.00 MBI4.7 90 1% 90 0 0% $180.00 MBI11T 0 0 0 $0.00 MBI18T 0 0 0 $0.00 Norton 190 3% 190 0 0% $380.00 NSC 0 0 0 $0.00 TOTAL 6475 383 $7,319.50 lL lost 896 lL lost / day 29 usage lost % 14% lL recovered at Master Meter 8355 recovery rate 89% transfers 65 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ Abernat 214 42.8 Chan 152 30.4 NanoTec 2107 421.4 Ren 957 191.4 Helium Report for Month of September 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 36 12% 27 9 25% $94.50 Christo 121 40% 121 $242.00 Eyler 71 23% 66 5 7% $154.50 Fanucci 35 11% 30 5 14% $82.50 Hummel 3 1% 2 1 33% $8.50 Katritz 39 13% 39 100% $175.50 Kleiman NMR 0 SpecSrv 0 TOTAL 305 59 $757.50 Recovered at Master Meter 420 Recovered at Physics 420 Recovery system loss 0 Lost 59 Total recovery rate 81% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only