Helium Report for Month of March 2000 Users Amount %ofTtl Recovrd Lost %Lost $$$$$ Adams 570 10% 570 0 0% $285.00 Andraka 142 3% 120 22 15% $126.00 Angerhofer 44 1% 29 15 34% $59.50 B122 405 7% 372 33 8% $285.00 B155 256 5% 236 20 8% $178.00 Chemistry 474 8% 451 23 5% $1,005.50 Hebard 194 3% 194 0 0% $97.00 Ihas 0 0 0 $0.00 NSC 0 0 0 $0.00 Meisel 63 1% 54 9 14% $54.00 MKBay#1 1090 19% 985 105 10% $807.50 MKBay#2 69 1% 22 47 68% $152.00 MKBay#3 1155 21% 932 223 19% $1,135.00 Sharifi 463 8% 445 18 4% $276.50 Stewart 236 4% 200 36 15% $208.00 Sullivan 367 7% 357 10 3% $208.50 Takano 0 0 0 $0.00 Tanner 81 1% 57 24 30% $100.50 W129 10 0% 10 0 0% $5.00 ================================================================= TOTAL 5609 585 $4,978.00 lL lost 953 lL lost / day 32 % of usage lost 17% lL recovered 7428 recovery rate 87% transfers 60 $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost.