Exhibit EMT-291 in Trans Alaska Pipeline System's et al proceeding under OR89-2 et al: Corrections to Exhibit EMT-61 Economics of Scale Analysis.

Jnofflclal FERC-Generated PDF of 20040907-0739 Received by FERC OSEC 11/21/2002 in D o c k e t # : OR89-2-017 EMT-291 Page 1 of 1 Correctio~ to Exhibit EMT- 81 Economlu of Scale Analysis (2000 S) Unit $MM $MM Shm (000) USGC USWC Coker U n ~ Coker Naphtha HT 6.5 8.4 10.8 Coker Distillate HT 8.3 12.9 16.6 Coker Gas Oil HT 12.0 16.3 20.8 Sulfur Plant (TPD) 100.0 19.0 24.7 Total Coker Units 56.6 72.9 Vitoin Feed Units Virgin Naphtha HT 40 23.4 30.2 Virgin Distillate HT 28 26.0 33.8 Virgin Gas OII HT 80 55.7 71.0 Sulfur Plant (TPD) 500 67.8 88.1 Total Virgin Feed Untts 172.8 223.0 Mixed Feed Units Mixed Naphtha HT 46.5 33.3 43.0 Mixed DisBlata HT 38.3 38.2 47.1 Mixed Gas Oil HT 92.0 67.8 86.4 Sulfur Plant (TPD) 600.0 78.3 101.8 Total Mixed Feed Units 229.4 295.9 Total Seoarata Units (6 hv(lrob'eaters} Total Naphtha HT 31.8 41.0 Total Distil/me HT 38.9 50.4 Total Gas Oil HT 72.0 91.8 Sulfur Plant (TPD) 86.7 112.8 Total Separate 229.4 296.1 ~ of Sc~e. Sav/n~ fLoss~ Coker N,=~tha liT 0.0 0.0 Coker Di~gate HT 2.6 3.3 Coker Gas Oil HT 4.1 5.4 Sulfur Plant ('I"PD) 8.5 11.0 Total Economies of Scale, ISBL 15.2 19.7 ISBL & OSBL 22.6 29.0 With IDC and Owneds Costs, $ MM 25.9 33.4 t.ER V cu To y co.M