Helium Report for Month of March 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 237 3% 210 27 11% $186.00 B20 269 4% 253 16 6% $174.50 B25 0 0 0 $0.00 B122 40 1% 47 -7 -18% $2.50 B124 31 0% 0 31 100% $93.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 139 2% 125 14 10% $104.50 Hebard 1291 17% 1288 3 0% $653.00 Hill 726 10% 672 54 7% $498.00 Lee 432 6% 405 27 6% $283.50 Meisel 319 4% 319 0 0% $159.50 MKBay#1 1347 18% 1258 89 7% $896.00 MKBay#2 227 3% 234 -7 -3% $96.00 MKBay#3 1076 14% 1041 35 3% $2,239.50 Petkova 0 0 0 $0.00 Stewart 68 1% 60 8 12% $54.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 59 1% 41 18 31% $74.50 W107 0 0 0 $0.00 W119 213 3% 213 0 0% $426.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 584 8% 472 112 19% $1,448.00 Geology 0 0 0 $0.00 MBI4.7 140 2% 140 0 0% $280.00 MBI11T 0 0 0 $0.00 MBI18T 0 0 0 $0.00 Norton 244 3% 244 0 0% $488.00 NSC 0 0 0 $0.00 TOTAL 7442 420 $8,156.50 lL lost 760 lL lost / day 23 usage lost % 10% lL recovered at Master Meter 9545 recovery rate 92% transfers 76 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ NanoTech 2122 424.4 Helium Report for Month of March 2006 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 98 17% 88 10 10% $221.00 Christo 162 28% 150 12 7% $354.00 Eyler 69 12% 69 $138.00 Fanucci 25 4% 22 3 12% $57.50 Katritz 68 12% 68 100% $306.00 Kleiman L335 NMR 56 10% 31 25 45% $174.50 SpecSrv 106 18% 106 $212.00 TOTAL 584 118 $1,463.00 Recovered at Master Meter 599 Recovered at Physics 598 Recovery system loss 1 Lost 119 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