Helium Report for Month of August 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 14 0% 11 3 21% $14.50 B20 259 4% 258 1 0% $132.00 B25 0 0 0 $0.00 B122 47 1% 37 10 21% $48.50 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 681 10% 674 7 1% $358.00 Hebard 1064 15% 1020 44 4% $642.00 Hill 967 14% 891 76 8% $673.50 Lee 1011 15% 1011 0 0% $505.50 Meisel 236 3% 236 0 0% $118.00 MKBay#1 0 0 0 $0.00 MKBay#2 491 7% 416 75 15% $433.00 MKBay#3 1241 18% 1179 62 5% $2,637.00 Petkova 0 0 0 $0.00 Stewart 83 1% 65 18 22% $86.50 Sulliva 0 0 0 $0.00 Takano 61 1% 48 13 21% $63.00 Tanner 45 1% 34 11 24% $50.00 W107 0 0 0 $0.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 425 6% 342 83 20% $1,057.50 Geology 0 0 0 $0.00 MBI 170 2% 170 0 0% $340.00 Norton 134 2% 134 0 0% $268.00 NSC 0 0 0 $0.00 TOTAL 6929 403 $7,427.00 lL lost 725 lL lost / day 22 usage lost % 10% lL recovered at Master Meter 9319 recovery rate 92% transfers 76 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 197 39.4 Chan 327 65.4 NanoT 3510 702 Ren 790 158 Helium Report for Month of August 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 47 11% 33 14 30% $129.00 Christo 115 27% 107 8 7% $250.00 Eyler 82 19% 74 8 10% $184.00 Fanucci 42 10% 36 6 14% $99.00 Hummel Katritz 40 9% 40 100% $180.00 Kleiman NMR 3 -3 ($7.50) SpecSrv 99 23% 84 15 15% $235.50 TOTAL 425 88 $1,070.00 Recovered at Master Meter 460 Recovered at Physics 461 Recovery system loss -1 Lost 87 Total recovery rate 80% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only