( ( No wastewater ) ( ( is ( allowed ( to ( be ( ( ( generated ( from ( ( the cleaning ) ( of equipment ) ) ) ) ( at ( the NLVF ) ) ) ( unless ( ( the equipment ) ( ( ( is ( contaminated ( with ( dirt only ) ) ) ) and ) ( is ( washed ( using ( only water ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT No) (NN wastewater)) (VP (VBZ is) (VP (VBN allowed) (S (VP (TO to) (VP (VB be) (VP (VBN generated) (PP (IN from) (NP (NP (DT the) (NN cleaning)) (PP (IN of) (NP (NN equipment))))) (PP (IN at) (NP (DT the) (NNP NLVF))) (SBAR (IN unless) (S (NP (DT the) (NN equipment)) (VP (VP (VBZ is) (VP (VBN contaminated) (PP (IN with) (NP (NN dirt) (RB only))))) (CC and) (VP (VBZ is) (VP (VBN washed) (S (VP (VBG using) (NP (JJ only) (NN water))))))))))))))) (. .)))
No wastewater is allowed to be generated from the cleaning of equipment at the NLVF unless the equipment is contaminated with dirt only and is washed using only water.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (NP (NN water)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN been) (VP (VBN used) (PP (IN for) (S (VP (VP (VBG cleaning)) (, ,) (VP (VBG washing)) (, ,) (VP (VBG flushing)) (, ,) (CC or) (VP (VBG manufacturing) (NP (NN wastewater))))))))))))) (. .)))