( ( This summary ) ( ( ( ( ( shows ( the contributions ) ) ( in ( terms ( of ( both ( ( ( ( the frequency ) ( of impacts ) ) and ) ( ( the number ) ( of ( ( downwind States ) ( impacted ( for ( specific ( concentration ranges ) ) ) ) ) ) ) ) ) ) ) ) ) , ) ( as ( described below ) ) ) . ) )
(ROOT (S (NP (DT This) (NN summary)) (VP (VBZ shows) (NP (DT the) (NNS contributions)) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (PDT both) (NP (NP (DT the) (NN frequency)) (PP (IN of) (NP (NNS impacts)))) (CC and) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (JJ downwind) (NNPS States)) (VP (VBN impacted) (PP (IN for) (NP (JJ specific) (NN concentration) (NNS ranges))))))))))) (, ,) (SBAR (IN as) (S (VP (VBD described) (ADVP (RB below)))))) (. .)))
This summary shows the contributions in terms of both the frequency of impacts and the number of downwind States impacted for specific concentration ranges, as described below.
(ROOT (S (NP (DT The) (NN term) (NN concentration)) (VP (VBZ describes) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS items)) (PP (IN in) (NP (NP (DT a) (VBN given) (NN area)) (CC or) (NP (NN volume)))))))) (. .)))