Helium Report for Month of April 2005 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 0 0 0 $0.00 Andraka 366 6% 366 0 0% $183.00 Angerho 14 0% 2 12 86% $37.00 Astro 0 0 0 $0.00 B20 244 4% 234 10 4% $147.00 B25 0 0 0 $0.00 B122 0 0 0 $0.00 B124 0 0 0 $0.00 B126 1 0% 1 0 0% $0.50 B155 0 0 0 $0.00 Biswas 170 3% 170 0 0% $85.00 Chemist 481 8% 361 120 25% $1,262.00 Geology 0 0 0 $0.00 Hebard 1110 19% 1089 21 2% $607.50 Hill 1047 18% 928 119 11% $821.00 Ihas 0 0 0 $0.00 Lee 422 7% 393 29 7% $283.50 Norton 0 0 0 $0.00 NSC 15 0% 15 0 0% $30.00 MBI4.7 101 2% 101 0 0% $202.00 MBI11T 0 0 0 $0.00 MBI18T 0 0 0 $0.00 Meisel 409 7% 409 0 0% $204.50 MKBay#1 768 13% 768 0 0% $384.00 MKBay#2 0 0 0 $0.00 MKBay#3 558 10% 531 27 5% $1,183.50 Stewart 104 2% 104 0 0% $52.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 37 1% 27 10 27% $43.50 W129 0 0 0 $0.00 TOTAL 5847 348 $5,526.00 lL lost 540 lL lost / day 17 usage lost % 9% lL recovered at Master Meter 8239 recovery rate 93% transfers 65 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ NanoTech 348 69.6 Helium Report for Month of April 2005 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Bowers 23 5% 22 1 4% $48.50 Christo 117 24% 117 $234.00 Eyler 144 30% 106 38 26% $383.00 Katritz 28 6% 28 100% $126.00 Kleiman NMR 142 30% 142 44 31% $394.00 SpecSrv 0 Fanucci 27 6% 27 $54.00 303 TOTAL 481 67 $1,239.50 Recovered at Master Meter 490 Recovered at Physics 481 Recovery system loss 9 Lost 120 Total recovery rate 75% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only