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HISTORICAL QUANTITIES OF PRECIPITATE GENERATED <br /> The following data were derived from the applicable Mt . Emmons <br /> Water Treatment Facility operating reports . <br /> The de-watered fixed precipitate, as transported, typ l ca l !y <br /> contains 20-25% solids. <br /> DRY PORTLAND TOTAL <br /> YEAR PRECIPITATE CEMENT SOLIDS <br /> TONS (Calculated) TONS TONS <br /> 1981 * 194 .3 178 . 7 373 .0 <br /> 1982 403 .8 49"2' . 6 896 .4 <br /> 1983 341 .0 337 .6 678 .6 <br /> 1984 378 .7 352 .2 730 .8 <br /> 1985 356 .0 377 .3 733 .3 <br /> 1986 380 . 5 410 .9 791 .5 <br /> 1987 316 .0 316 .0 632 .0 <br /> 1988 247 .7 262 .5 510 .2 <br /> 1989 377 .7 377 .7 755 .3 <br /> 1990 337 .1 340 .5 677 .5 <br /> 1991 413 . 1 409 .0 822 .1 <br /> 1992 431 .7 427 .4 859 .1 <br /> 1993* * 400 .5 404 .8 805 .3 <br /> 1982-1992 MEAN: 362. 1 373.0 735. 1 <br /> " _ .July 1 -December 1_'3'7 Inclusive. <br /> " " = Year to date. <br /> 5 - <br />