Helium Report for Month of May 2009 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ $/lL Andraka 0 0 0 $0.00 B20 211 3% 210 1 0% $133.10 $0.63 B25 403 6% 373 30 7% $436.80 $1.08 B122 83 1% 78 5 6% $82.30 $0.99 B124 25 0% 25 0 0% $15.00 $0.60 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 519 7% 518 1 0% $317.90 $0.61 Hebard 361 5% 359 2 1% $229.60 $0.64 Hill 0 0 0 $0.00 Lee 0 0 0 $0.00 Meisel 255 4% 234 21 8% $289.50 $1.14 MKBay#1 0 0 0 $0.00 MKBay#2 1144 16% 1098 46 4% $2,815.80 $2.46 MKBay#3 1693 24% 1633 60 4% $4,114.60 $2.43 Petkova 0 0 0 $0.00 Stewart 337 5% 286 51 15% $533.70 $1.58 Sulliva 192 3% 191 1 1% $121.70 $0.63 Takano 0 0 0 $0.00 Tanner 68 1% 55 13 19% $125.30 $1.84 W107 0 0 0 $0.00 W119 321 5% 313 8 2% $758.20 $2.36 W123 540 8% 488 52 10% $1,526.00 $2.83 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 572 8% 474 98 17% $1,895.40 $3.31 Geology 0 0 0 $0.00 MBI 170 2% 170 0 0% $374.00 $2.20 Norton 151 2% 151 0 0% $332.20 $2.20 NSC 0 0 0 $0.00 TOTAL 7045 389 $14,101.10 lL lost 644 lL lost / day 21 usage lost % 9% lL recovered at Master Meter 9181 recovery rate 93% transfers 67 $ amount is billed at $.60/lL used for physics or $2.20/lL for non-physics plus $6.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 233 $46.60 Chan 558 $111.60 Hebard 115 $23.00 NanoT 0 $0.00 Petkova 24 $4.80 Ren 608 $121.60 Rinzler 16 $3.20 Shiva 0 $0.00 Saab 162 $32.40 Tanner 427 $85.40 Helium Report for Month of May 2009 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ $/lL Angerho 37 6% 37 $81.40 $2.20 Christo 162 28% 148 14 9% $447.40 $2.76 Eyler 84 15% 70 14 17% $275.80 $3.28 Fanucci 26 5% 26 $57.20 $2.20 303F 168 29% 167 1 1% $376.10 $2.24 Katritz Kleiman NMR SpecSrv 95 17% 78 17 18% $319.50 $3.36 TOTAL 572 46 $1,557.40 Recovered at Master Meter 617 Recovered at Physics 590 Recovery system loss 27 Lost 73 Total recovery rate 87% $ amount is billed at $2.20/lL used plus $6.50/lL lost This is not your bill, It is for your information only