Helium Report for Month of March 2004 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 0 0 0 $0.00 Andraka 14 0% 13 1 7% $9.50 Angerho 21 0% 17 4 19% $20.50 Astro 0 0 0 $0.00 B20 264 4% 243 21 8% $184.50 B25 0 0 0 $0.00 B122 284 4% 265 19 7% $189.50 B124 253 4% 231 22 9% $181.50 B155 0 0 0 $0.00 Biswas 59 1% 52 7 12% $47.00 Chemist 478 7% 420 58 12% $1,101.00 Geology 0 0 0 $0.00 Hebard 403 6% 364 39 10% $299.00 Hill 1203 18% 1179 24 2% $661.50 Ihas 247 4% 214 33 13% $206.00 Lee 0 0 0 $0.00 Norton 259 4% 0 259 100% $1,165.50 MBI4.7 244 4% 244 0 0% $488.00 MBI11T 544 8% 544 0 0% $1,088.00 MBI18T 0 0 0 $0.00 Meisel 489 7% 457 32 7% $324.50 MKBay#1 15 0% 15 0 0% $7.50 MKBay#2 0 0 0 $0.00 MKBay#3 1068 16% 1068 0 0% $2,136.00 Stewart 551 8% 524 27 5% $343.00 Sulliva 0 0 0 $0.00 Takano 0 0 0 $0.00 Tanner 137 2% 71 66 48% $233.50 W129 0 0 0 $0.00 TOTAL 6533 612 $8,686.00 lL lost 794 lL lost / day 26 usage lost % 12% lL recovered at Master Meter 8090 recovery rate 90% transfers 69 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. GN2 Usage Amount $$$$ NanoTech 2305 461 Helium Report for Month of March 2004 Users Amount %of Ttl Recovrd Lost %Lost $$$$$ Bowers 28 6% 24 4 14% $66.00 Christo 143 30% 138 5 3% $298.50 Eyler 163 34% 152 11 7% $353.50 Katritz Kleiman NMR 44 9% 37 7 16% $105.50 SpecSrv 100 21% 72 28 28% $270.00 Talham Richard TOTAL 478 55 $1,093.50 Recovered at Master Meter 538 Recovered at Physics 531 Recovery system loss 7 Lost 62 Total recovery rate 87% $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only