Helium Report for Month of February 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 62 1% 57 5 8% $43.50 B20 246 3% 243 3 1% $130.50 B25 0 0 0 $0.00 B122 22 0% 22 0 0% $11.00 B124 17 0% 9 8 47% $28.50 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 105 1% 101 4 4% $62.50 Hebard 998 12% 993 5 1% $511.50 Hill 982 12% 944 38 4% $586.00 Lee 880 11% 855 25 3% $502.50 Meisel 220 3% 215 5 2% $122.50 MKBay#1 1115 14% 1033 82 7% $762.50 MKBay#2 1118 14% 1112 6 1% $574.00 MKBay#3 1563 19% 1563 0 0% $3,126.00 Petkova 0 0 0 $0.00 Stewart 50 1% 46 4 8% $35.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 0 0 0 $0.00 W107 0 0 0 $0.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 451 6% 316 135 30% $1,239.50 Geology 0 0 0 $0.00 MBI4.7 165 2% 165 0 0% $330.00 MBI11T 0 0 0 $0.00 MBI18T 0 0 0 $0.00 Norton 116 1% 66 50 43% $357.00 NSC 0 0 0 $0.00 TOTAL 8110 370 $8,422.50 lL lost 714 lL lost / day 25 usage lost % 9% lL recovered at Master Meter 9575 recovery rate 93% transfers 75 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ NanoTech 2128 425.6 Helium Report for Month of February 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 35 8% 21 14 40% $105.00 Christo 126 28% 113 13 10% $284.50 Eyler 77 17% 68 9 12% $176.50 Fanucci 29 6% 22 7 24% $75.50 Katritz 25 6% 25 100% $112.50 Kleiman L335 NMR 159 35% 150 9 6% $340.50 SpecSrv 0 TOTAL 451 77 $1,094.50 Recovered at Master Meter 371 Recovered at Physics 412 Recovery system loss -41 Lost 36 Total recovery rate 92% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only