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05/2612009 13:27 9516273 49 - DOUGLAS KUNEY PAGE 06/14 <br /> ir:stanaes. <br /> =are sensitive me a forming <br /> In these - <br /> bacteria do not reproduce i enough to utflundesirable <br /> excess acids producedby e o bacteria. <br /> conditions such as overloading silt, the me�thana bacteria <br /> populations will decline a chronically malodorous lagoon <br /> will result. <br /> some materials contained in feed, such as cop0err zinc, and <br /> alkali metals, have been reported to inhibit a1naarobic <br /> bacterial action- However, these materials ase usually not <br /> eat in PCAIltry Wastes in sufficient quanttoxi6ities to <br /> may <br /> si fi <br /> cantly affect lagoon a s This occurs <br /> $ op when high a an do a p>res t. <br /> When w is placed in a lagoon without enough <br /> dilcationwater. Com= salts,, godi= chloridicalcium <br /> chloride can also ac ate in lagoon effltwit to <br /> inhibstory levels. while soluble foulfides. bA46 been <br /> re rt to be toxic to o bacteria, it is unlikely <br /> Z: t they <br /> will be present at levels suffici"t to inhibit <br /> bacterial activity in Poultry lagoons- <br /> Extremely variable conditionslagoon op tion ng <br /> f geographical r io , differen in waste <br /> ataracteristics between cel.asses of poultry halve made exact <br /> design data difficult lagocaa design and <br /> ConstXUction should be b of <br /> experience <br /> regional univ sty ion servimm, S.D.A. sail ra <br /> conservation S ice, o ( r2r3,4) r "d must <br /> Cof <br /> to applicable to and local regulations. <br /> Bacterial activity is greatest at higbarfuses, so <br /> anaerobic Lagoons work bast in areaswithout1cold winters; <br /> design a l required in colder <br /> regions.greater (2 fey g field ,$goons from all <br /> regi of the Con ° antal united States, and recQmmended a <br /> rational design procedureto t for n y air <br /> t ie, exb= dilution volme for odor 6ontros, extra <br /> t volume <br /> volwo for sludqe accumulationt . d minimum tr <br /> a ac anon} . $ <br /> for a ma lagoon (eonsai. son hat mole cons�n tive <br /> designvalues <br /> given by Barth arm <br /> than' those given n by the AmericanSociety of icultural <br /> (1) . The Values in Table 1 May be used as a guide <br /> for design values for anaerobic l ons® <br /> The . jaLgoons will produce sional odors for the <br /> ra►as 'given above. Since even a slight odor will be <br /> objectional to SCM0 people, consider prevailing winds and <br /> locate lagoons downwind from fa= hame and other <br /> residences. Lagoons.should be located a mtimum Of 1/2 mile <br /> 269 <br /> I <br />