CHAPTER 1 1-1 Total daily withdrawal Given: Population in 2000 = 281,421,906 Solution: a. Using the total daily withdrawal of 5,400 Lpcd: (281,421,906 people)(5,400 Lpcd) = 1.52 x 1012 L/d b. Converting to m3 1.52 10 m d 1000 L m 1.52 10 L d 9 3 3 12    1-2 Estimate per capita withdrawal for public supply Given: Population data from 1950 to 2000 and corresponding public supply withdrawal Solution: a. Use a spreadsheet to estimate the withdrawal Problem 1-2 Intro. To ENE 5th Edition Population Withdrawal, m 3 /d Year Withdrawal, Lpcd 151325798 5.30E+07 1950 350.24 179323175 7.95E+07 1960 443.33 203302031 1.02E+08 1970 501.72 226542203 1.29E+08 1980 569.43 248709873 1.46E+08 1990 587.03 281421906 1.64E+08 20