Helium Report for Month of July 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 0 0 0 $0.00 B20 240 3% 237 3 1% $127.50 B25 0 0 0 $0.00 B122 20 0% 20 0 0% $10.00 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 671 9% 647 24 4% $395.50 Hebard 637 8% 591 46 7% $433.50 Hill 846 11% 747 99 12% $670.50 Lee 776 10% 735 41 5% $490.50 Meisel 318 4% 292 26 8% $224.00 MKBay#1 0 0 0 $0.00 MKBay#2 1486 20% 1485 1 0% $745.50 MKBay#3 1046 14% 993 53 5% $2,224.50 Petkova 0 0 0 $0.00 Stewart 411 5% 345 66 16% $370.50 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 64 1% 45 19 30% $79.50 W107 274 4% 274 0 0% $137.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 416 6% 306 110 26% $1,107.00 Geology 0 0 0 $0.00 MBI 176 2% 176 0 0% $352.00 Norton 124 2% 124 0 0% $248.00 NSC 0 0 0 $0.00 TOTAL 7505 488 $7,615.50 lL lost 736 lL lost / day 25 usage lost % 10% lL recovered at Master Meter 8943 recovery rate 92% transfers 70 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 182 36.4 Chan 256 51.2 NanoT 3248 649.6 Ren 794 158.8 Helium Report for Month of July 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho Christo 168 40% 166 2 1% $341.00 Eyler 42 10% 32 10 24% $109.00 Fanucci 41 10% 19 22 54% $137.00 Hummel Katritz 48 12% 48 100% $216.00 Kleiman NMR 117 28% 84 33 28% $316.50 SpecSrv TOTAL 416 115 $1,119.50 Recovered at Master Meter 385 Recovered at Physics 387 Recovery system loss -1 Lost 114 Total recovery rate 73% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only