Helium Report for Month of March 2005 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 0 0 0 $0.00 Andraka 196 4% 196 0 0% $98.00 Angerho 20 0% 11 9 45% $32.50 Astro 0 0 0 $0.00 B20 262 5% 247 15 6% $168.50 B25 0 0 0 $0.00 B122 0 0 0 $0.00 B124 0 0 0 $0.00 B126 2 0% 2 0 0% $1.00 B155 0 0 0 $0.00 Biswas 219 4% 219 0 0% $109.50 Chemist 601 12% 399 202 34% $1,707.00 Geology 0 0 0 $0.00 Hebard 832 17% 811 21 3% $468.50 Hill 1052 21% 969 83 8% $733.50 Ihas 105 2% 116 -11 -10% $25.00 Lee 307 6% 292 15 5% $191.00 Norton 0 0 0 $0.00 NSC 0 0 0 $0.00 MBI4.7 107 2% 107 0 0% $214.00 MBI11T 0 0 0 $0.00 MBI18T 0 0 0 $0.00 Meisel 309 6% 299 10 3% $179.50 MKBay#1 16 0% 13 3 19% $15.50 MKBay#2 4 0% -23 27 675% $75.50 MKBay#3 834 17% 821 13 2% $1,700.50 Stewart 114 2% 114 0 0% $57.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 61 1% 39 22 36% $85.50 W129 0 0 0 $0.00 TOTAL 5041 409 $5,862.00 lL lost 802 lL lost / day 26 usage lost % 16% lL recovered at Master Meter 8003 recovery rate 90% transfers 61 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ NanoTech 491 98.2 Helium Report for Month of March 2005 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Bowers 84 14% 25 59 70% $315.50 Christo 145 24% 145 $290.00 Eyler 89 15% 81 8 9% $198.00 Katritz Kleiman NMR 183 30% 73 110 60% $641.00 SpecSrv 100 17% 100 $200.00 Fanucci 19 -19 ($47.50) Richard TOTAL 601 158 $1,597.00 Recovered at Master Meter 523 Recovered at Physics 513 Recovery system loss 10 Lost 168 Total recovery rate 72% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only