( ( In ( the NPRM ) ) ( , ( RSPA ( ( proposed ( to ( require ( that ( ( ( ( at least ) two ) ( hazardous substances ) ) ( be ( identified ( on ( ( shipping ( papers ( and ( package markings ) ) ) ) ( for ( ( hazardous materials ) ( containing ( ( ( two or ) more ) ( hazardous substances ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT the) (NNP NPRM))) (, ,) (NP (NNP RSPA)) (VP (VBD proposed) (S (VP (TO to) (VP (VB require) (SBAR (IN that) (S (NP (QP (IN at) (JJS least) (CD two)) (JJ hazardous) (NNS substances)) (VP (VB be) (VP (VBN identified) (PP (IN on) (S (VP (VBG shipping) (NP (NNS papers) (CC and) (NN package) (NNS markings)) (PP (IN for) (NP (NP (JJ hazardous) (NNS materials)) (VP (VBG containing) (NP (QP (CD two) (CC or) (JJR more)) (JJ hazardous) (NNS substances)))))))))))))))) (. .)))
In the NPRM, RSPA proposed to require that at least two hazardous substances be identified on shipping papers and package markings for hazardous materials containing two or more hazardous substances.
(ROOT (S (NP (DT All) (NNS solutions)) (VP (VBP contain) (NP (QP (IN at) (JJS least) (CD two)) (NNS substances))) (. .)))