( ( Equipment ( containing ( ozone-depleting compounds ) ) ) ( ( must ( be ( ( emptied ( of ( ( the ( ozone-depleting compounds ) ) ( in compliance ) ) ) ) ( with Pub ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Equipment)) (VP (VBG containing) (NP (JJ ozone-depleting) (NNS compounds)))) (VP (MD must) (VP (VB be) (VP (VBN emptied) (PP (IN of) (NP (NP (DT the) (JJ ozone-depleting) (NNS compounds)) (PP (IN in) (NP (NN compliance))))) (PP (IN with) (NP (NNP Pub)))))) (. .)))
Equipment containing ozone-depleting compounds must be emptied of the ozone-depleting compounds in compliance with Pub.
(ROOT (S (NP (NN Ozone)) (VP (VBZ is) (NP (NP (DT a) (NN compound)) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (EX there)) (VP (VBZ is) (VP (VBG sparking) (NP (JJ electrical) (NN equipment))))))))) (. .)))