Helium Report for Month of May 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 178 3% 171 7 4% $138.30 B20 233 3% 231 2 1% $148.80 B25 75 1% 70 5 7% $67.50 B122 49 1% 49 0 0% $29.40 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 0 0 0 $0.00 Hebard 431 6% 409 22 5% $357.60 Hill 983 15% 927 56 6% $841.80 Lee 0 0 0 $0.00 Meisel 224 3% 210 14 6% $197.40 MKBay#1 0 0 0 $0.00 MKBay#2 1166 17% 1166 0 0% $2,565.20 MKBay#3 1210 18% 1139 71 6% $2,981.50 Petkova 133 2% 133 0 0% $79.80 Stewart 337 5% 323 14 4% $265.20 Sulliva 285 4% 265 20 7% $261.00 Takano 0 0 0 $0.00 Tanner 0 0 0 $0.00 W107 0 0 0 $0.00 W119 55 1% 55 0 0% $121.00 W123 70 1% 70 0 0% $154.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 442 7% 392 50 11% $1,197.40 Geology 0 0 0 $0.00 MBI 628 9% 628 0 0% $1,381.60 Norton 185 3% 173 12 6% $461.00 NSC 0 0 0 $0.00 TOTAL 6684 273 $11,248.50 lL lost 622 lL lost / day 19 usage lost % 9% lL recovered at Master Meter 8640 recovery rate 93% transfers 62 $ amount is billed at $.60/lL used for physics or $2.20/lL for non-physics plus $4.50/lL lost. GN2 Usage @ $0.20/lL Lab Amount $$$$ Abernat 233 $46.60 Chan 534 $106.80 Hebard 149 $29.80 NanoT 3997 $799.40 Petkova 0 $0.00 Ren 857 $171.40 Rinzler 790 $158.00 Shiva 0 $0.00 Saab 107 $21.40 Tanner 702 $140.40 Helium Report for Month of May 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 23 5% 21 2 9% $59.60 Christo 193 44% 188 5 3% $447.10 Eyler 95 21% 74 21 22% $303.50 Fanucci 0 Hummel Katritz Kleiman NMR 131 30% 131 $288.20 SpecSrv TOTAL 442 28 $1,098.40 Recovered at Master Meter 481 Recovered at Physics 479 Recovery system loss 3 Lost 31 Total recovery rate 93% $ amount is billed at $2.20/lL used plus $4.50/lL lost This is not your bill, It is for your information only