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J <br />_ ~\\ <br />-, <br />i <br />l <br />J <br />-~ <br />1 <br />TABLE 4.3-14. DESCRI?Ti0`+ OF TEST COLL^Iti5 <br />Description Column ho. <br />Sources of ?o11~_t_nts'Test :'.aterials <br />• Coal alo ne <br />• Fly ash alone C-14 <br />• Mixture o= f1~: ash, bot*_or:. ash, and <br />simulate d scr•.:~ber slnd_e at a ratio <br />equal to their o2ti-u-: ?rpcuti on rate C-15 <br />• Expected un:eathered overburden - <br />D-Pit C-13 <br />• Expected unweathered overburden. - E-Pit C-16 <br />• Expected :~eathered overburden - <br />D-Pit C-11 <br />• Expected c;eathered overburde_: - E-?it C-17 <br />Waste Place~er.t Options <br />• Fly as!: at upper end positio^ over <br />unweathered..D-? it Ov2ri7L'rGca colu..r.s S-1 <br />• Fly ash at ^id:cav position :with <br />unweathered overburden for D-?it S-2 <br />• Unweathered D-?it overburden over <br />fly ash over coal is?er S-4 <br />• Mixed ash and si-ulzted sc-•_bb~- <br />sludge at r..'_c;:av positic~ ~.~t-~_. <br />vnweathexec J-?it everaurcen S-3 <br />• Fly ash at rid::a-~ resit?on :ci*_`:in <br />unweathered c~•er:urcen '~_ ?-?it S-5 <br />4-59 <br />_ ~~~ <br />