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TABLE 4.3-14. DESCRIPTIO`+ OF TEST COLUHNS <br />Description Column ho. <br />Sources of ?ollut_nts'Test Vaterizls <br />• Fly ash at -,:D-er end position o:-er <br />• Coal alone <br />unweathered..D-? it overburccn colu....r.s <br />S-1 <br />• Fly ash at ^id:cav nosition :with <br />• Fly ash <br />alone <br />S-2 <br />C-14 <br />• Mixture <br />o= "v ash, bottor:. ash, <br />and <br />• Mixed ash and si-u1_ted scr--bber <br />simulated <br />scrubber slud_e at z <br />ratio <br />unweathered D -?it everaurden <br />equal to <br />their o2ti u production <br />rate <br />C-15 <br />• Exvected <br />unweathered overburden <br />- <br />D -Pit <br />C-13 <br />• Expected <br />unweathered overburden <br />- E -Pit <br />C-16 <br />• Expected <br />weathered overburden - <br />D -Pit <br />C-11 <br />• Expected <br />weathered overburden - <br />E -Pit <br />C-17 <br />Waste Place7ent Options <br />• Fly ash at -,:D-er end position o:-er <br />unweathered..D-? it overburccn colu....r.s <br />S-1 <br />• Fly ash at ^id:cav nosition :with <br />unweathered overburden for:D-Piz <br />S-2 <br />• Unweathered D. -?it overburden over <br />fly ash over coal layer <br />S-4 <br />• Mixed ash and si-u1_ted scr--bber <br />sludge at c'-d::av position :. t -r_. <br />unweathered D -?it everaurden <br />S-3 <br />• Fly ash at position wit' -in <br />unweathered overburden fcc =-?it <br />S-5 <br />4-59 <br />