Helium Report for Month of August 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Effective $/lL Andraka 40 1% 36 4 10% $46.80 $1.17 B20 243 4% 233 10 4% $202.80 $0.83 B25 127 2% 125 2 2% $87.60 $0.69 B122 22 0% 22 0 0% $13.20 $0.60 B124 0 0 0 $0.00 B126 0 0 0 $0.00 B155 0 0 0 $0.00 Biswas 429 8% 429 0 0% $257.40 $0.60 Hebard 942 17% 897 45 5% $821.70 $0.87 Hill 755 13% 696 59 8% $789.30 $1.05 Lee 2 0% 2 0 0% $1.20 $0.60 Meisel 258 5% 258 0 0% $154.80 $0.60 MKBay#1 0 0 0 $0.00 MKBay#2 227 4% 224 3 1% $516.50 $2.28 MKBay#3 1428 25% 1421 7 0% $3,181.50 $2.23 Petkova 88 2% 88 0 0% $52.80 $0.60 Stewart 48 1% 44 4 8% $51.60 $1.08 Sulliva 35 1% 25 10 29% $78.00 $2.23 Takano 0 0 0 $0.00 Tanner 22 0% 11 11 50% $75.90 $3.45 W107 0 0 0 $0.00 W119 3 0% 2 1 33% $12.30 $4.10 W123 0 0 0 $0.00 W129 0 0 0 $0.00 Astro 0 0 0 $0.00 Chemist 522 9% 411 111 21% $1,781.10 $3.41 Geology 0 0 0 $0.00 MBI 359 6% 359 0 0% $789.80 $2.20 Norton 145 3% 121 24 17% $455.80 $3.14 NSC 0 0 0 $0.00 TOTAL 5695 291 $9,370.10 lL lost 1136 lL lost / day 37 usage lost % 20% lL recovered at Master Meter 7786 recovery rate 85% transfers 59 $ amount is billed at $.60/lL used for physics or $2.20/lL for non-physics plus $4.50/lL lost. GN2 Usage Lab Amount $$$$ Abernat 240 $48.00 Chan 567 $113.40 Hebard 210 $42.00 NanoT 2914 $582.80 Petkova 0 $0.00 Ren 1094 $218.80 Rinzler 763 $152.60 Shiva 0 $0.00 Saab 119 $23.80 Tanner 398 $79.60 Helium Report for Month of August 2008 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Effective $/lL Angerho 52 10% 12 40 77% $342.40 $6.58 Christo 138 26% 129 9 7% $354.90 $2.57 Eyler 47 9% 37 10 21% $160.40 $3.41 Fanucci 21 4% 20 1 5% $51.90 $2.47 Hummel Katritz 53 10% 53 100% $418.70 $7.90 Kleiman NMR 123 24% 113 10 8% $327.60 $2.66 SpecSrv 88 17% 88 $193.60 $2.20 TOTAL 522 123 $1,849.50 Recovered at Master Meter 471 Recovered at Physics 474 Recovery system loss -3 Lost 120 Total recovery rate 77%