▁Ag ri process ors ▁signed ▁a ▁consent ▁dec ree ▁where ▁they ▁essentially ▁admitted ▁dis charg ing ▁un tre ated ▁sla ugh ter ing ▁waste water ▁into ▁the ▁Post ville ▁se wer ▁system , ▁in ▁viol ation ▁of ▁Federal ▁and ▁Iowa ▁State ▁law ▁and ▁paid ▁a ▁$ 6 0 0 , 0 0 0 ▁fine ▁for ▁viol ating ▁waste - water ▁reg ulations . ▁U nt re ated ▁waste water ▁from ▁ab atto irs ▁is ▁a ▁heavy ▁bur den ▁on ▁waste water ▁treatment ▁plants ▁because ▁of ▁its ▁high ▁bio chem ical ▁o xygen ▁demand ▁and ▁high ▁concentration ▁of ▁FO G ▁( F ats , ▁o ils , ▁and ▁gre ase ) ▁which ▁can ▁form ▁ins ol ub le ▁pla ques ▁in ▁se w age ▁pip es . ▁ ▁Labor ▁relations ▁In ▁September ▁ 2 0 0 5 , ▁workers ▁at ▁Ag ri process ors ’ ▁distribution ▁site ▁in ▁Brook lyn ▁voted ▁to ▁join ▁the ▁United ▁Food ▁and ▁Com mer cial ▁Work ers ▁union . ▁The ▁company ▁did ▁not ▁recognize ▁the ▁vote , ▁arg uing ▁that ▁it ▁was ▁invalid ▁because ▁management ▁had ▁discovered ▁that ▁many ▁of ▁the ▁workers ▁who ▁participated ▁were ▁in ▁the ▁US ▁il leg ally , ▁making ▁their ▁votes ▁invalid ▁despite ▁protection ▁granted ▁und ocument ed ▁workers ▁in ▁the ▁National ▁Labor ▁Rel ations ▁Act . ▁A ▁National ▁Labor ▁Rel ations ▁Board ▁judge ▁decided ▁against ▁the ▁company ▁and ▁ordered ▁it ▁to ▁recognize ▁the ▁vote . ▁Work ers ▁alleg ed ▁that ▁Ag ri process ors ▁paid ▁low ▁w ages , ▁failed ▁to ▁pay ▁over time