Helium Report for Month of September 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Andraka 0 0 0 $0.00 B20 227 4% 221 6 3% $128.50 B25 0 0 0 $0.00 B122 95 2% 95 0 0% $47.50 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 47 1% 47 0 0% $23.50 Hebard 1078 21% 1020 58 5% $684.00 Hill 513 10% 502 11 2% $284.00 Lee 906 18% 906 0 0% $453.00 Meisel 208 4% 208 0 0% $104.00 MKBay#1 0 0 0 $0.00 MKBay#2 7 0% 6 1 14% $6.00 MKBay#3 1056 21% 1047 9 1% $2,134.50 Petkova 266 5% 266 0 0% $133.00 Stewart 146 3% 142 4 3% $83.00 Sulliva 0 0 0 $0.00 Takano 31 1% 30 1 3% $18.00 Tanner 33 1% 20 13 39% $49.00 W107 0 0 0 $0.00 W119 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 302 6% 255 47 16% $721.50 Geology 0 0 0 $0.00 MBI 0 0 0 $0.00 Norton 224 4% 224 0 0% $448.00 NSC 0 0 0 $0.00 TOTAL 5139 150 $5,317.50 lL lost 598 lL lost / day 21 usage lost % 12% lL recovered at Master Meter 6730 recovery rate 91% transfers 55 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 169 33.8 Chan 304 60.8 NanoT 3406 681.2 Ren 674 134.8 Helium Report for Month of September 2007 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Angerho 9 3% 7 2 22% $23.00 Christo 112 37% 112 $224.00 Eyler 43 14% 33 10 23% $111.00 Fanucci 0 Hummel Katritz Kleiman NMR 138 46% 101 37 27% $368.50 SpecSrv TOTAL 302 49 $726.50 Recovered at Master Meter 360 Recovered at Physics 360 Recovery system loss 1 Lost 50 Total recovery rate 84% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only