(S (S (BASENP (DT The) (NN company)) (VP (VBZ has) (VP (VBN been) (VP (VP (VP (VBG running) (BASENP (DT a) (NN pressure) (NN integrity) (NN test))) (PP (IN on) (BASENP (DT the) (NN 150,000) (NN pound) (NN cap)))) (PP (IN for) (BASENP (NN 48) (NNS hours))))))) (PERIOD .))