Helium Report for Month of September 2002 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 209 4% 209 0 0% $104.50 Andraka 74 1% 66 8 11% $57.00 Angerho 73 1% 63 10 14% $61.50 Astro 0 0 0 $0.00 B20 0 0 0 $0.00 B25 166 3% 136 30 18% $158.00 B122 298 5% 267 31 10% $226.50 B155 239 4% 210 29 12% $192.00 Biswas 0 0 0 $0.00 Chemist 580 10% 396 184 32% $1,620.00 Geology 0 0 0 $0.00 Hebard 148 2% 139 9 6% $96.50 Hill 427 7% 410 17 4% $256.00 Ihas 2 0% 0 2 100% $6.00 Lee 5 0% 2 3 60% $10.00 NSC 77 1% 0 77 100% $346.50 MBI4.7 192 3% 192 0 0% $384.00 MBI12T40 184 3% 184 0 0% $368.00 Meisel 299 5% 274 25 8% $212.00 MKBay#1 1191 20% 1121 70 6% $770.50 MKBay#2 0 0 0 $0.00 MKBay#3 1236 21% 1177 59 5% $2,619.50 Stewart 436 7% 386 50 11% $343.00 Sulliva 93 2% 93 0 0% $46.50 Takano 0 0 0 $0.00 Tanner 40 1% 23 17 43% $62.50 W129 0 0 0 $0.00 TOTAL 5969 621 $7,940.50 lL lost 870 lL lost / day 30 usage lost % 15% lL recovered at Master Meter 7409 recovery rate 88% transfers 63 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost. Helium Report for Month of September 2002 Users Used %of Ttl Recovrd Lost %Lost $$$$$ Bowers 88 15% 73 15 17% $213.50 Christo 190 33% 113 77 41% $572.50 Eyler 150 26% 150 $300.00 Katritz 24 4% 24 100% $108.00 NMR 128 22% 33 95 74% $493.50 Talham Weltner TOTAL 580 211 $1,687.50 Recovered 559 at Master Meters Recovered 564 at Physics %Lost 36% by Chem Labs %Lost -1% in Recovery System Transfers 8 $ amount is billed at $2.00/lL used plus $2.50/lL lost This is not your bill, It is for your information only