Helium Report for Month of March 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 88 2% 67 21 24% $147.30 B20 209 5% 201 8 4% $161.40 B25 60 1% 49 11 18% $85.50 B122 40 1% 40 0 0% $24.00 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 54 1% 50 4 7% $50.40 Hebard 760 18% 751 9 1% $496.50 Hill 561 13% 514 47 8% $548.10 Lee 51 1% 51 0 0% $30.60 Meisel 206 5% 206 0 0% $123.60 MKBay#1 0 0 0 $0.00 MKBay#2 7 0% 0 7 100% $46.90 MKBay#3 1060 25% 964 96 9% $2,764.00 Petkova 0 0 0 $0.00 Stewart 108 3% 82 26 24% $181.80 Sulliva 263 6% 252 11 4% $207.30 Takano 0 0 0 $0.00 Tanner 70 2% 42 28 40% $168.00 W107 0 0 0 $0.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 368 9% 317 51 14% $1,039.10 Geology 0 0 0 $0.00 MBI 172 4% 172 0 0% $378.40 Norton 114 3% 99 15 13% $318.30 NSC 0 0 0 $0.00 TOTAL 4191 334 $6,771.20 lL lost 638 lL lost / day 22 usage lost % 15% lL recovered at Master Meter 6210 recovery rate 90% transfers 51 $ amount is billed at $.60/lL used for physics or $2.20/lL for non-physics plus $4.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 223 $44.60 Chan 527 $105.40 Hebard 230 $46.00 NanoT 3711 $742.20 Petkova 48 $9.60 Ren 1330 $266.00 Rinzler 767 $153.40 Shiva 0 $0.00 Saab 51 $10.20 Tanner 149 $29.80 Helium Report for Month of March 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 64 17% 57 7 11% $172.30 Christo 156 42% 131 25 16% $455.70 Eyler 45 12% 36 9 20% $139.50 Fanucci 0 Hummel Katritz Kleiman NMR 103 28% 69 34 33% $379.60 SpecSrv 0 TOTAL 368 75 $1,147.10 Recovered at Master Meter 420 Recovered at Physics 414 Recovery system loss 6 Lost 81 Total recovery rate 78% $ amount is billed at $2.20/lL used plus $4.50/lL lost This is not your bill, It is for your information only