Helium Report for Month of January 1999 Users Amount %ofTtl Recovrd Lost %Lost $$$$$$ Adams 0 0 0 $0.00 Chemistry 655 36% 449 206 31% $1,825.00 Graybeal 5 0% 5 0 0% $2.50 Hebard 157 9% 146 11 7% $106.00 Ihas 0 0 0 $0.00 NSC 0 0 0 $0.00 Meisel 166 9% 166 0 0% $83.00 MKBay#1 0 0 0 $0.00 MKBay#2 0 0 0 $0.00 MKBay#3 0 0 0 $0.00 Reitze 0 0 0 $0.00 Sharifi 30 2% 30 0 0% $15.00 Stewart 135 7% 135 0 0% $67.50 Sullivan 360 20% 347 13 4% $212.50 Takano 0 0 0 $0.00 Tanner 111 6% 81 30 27% $130.50 B155 201 11% 201 0 0% $100.50 Angerhofer 8 0% 8 0 0% $4.00 TOTAL 1828 260 $2,546.50 353 lL lost 12 lL lost / day 19% of usage lost 2543 lL recovered at Master Meter 86% recovery rate 29 transfers $ amount is billed at $.50/lL used for physics or $2.00/lL for non-physics plus $2.50/lL lost.