1 Lower and upper PMSD bounds were determined from the 10th and 90th percentile, respectively, of PMSD data from EPA's WET Interlaboratory Variability Study (USEPA, 2001a; USEPA, 2001b).
( ( ( ( 1 Lower ) and ) ( upper ( PMSD bounds ) ) ) ( ( were ( ( determined ( from ( ( ( ( ( the ( 10th ( and ( 90th percentile ) ) ) ) , ) respectively ) , ) ( of ( PMSD data ) ) ) ) ) ( from ( ( ( EPA 's ) ( WET ( Interlaboratory ( Variability Study ) ) ) ) ( -LRB- ( ( ( ( USEPA ( , 2001a ) ) ; ) ( ( USEPA , ) 2001b ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD 1) (JJR Lower)) (CC and) (NP (JJ upper) (JJ PMSD) (NNS bounds))) (VP (VBD were) (VP (VBN determined) (PP (IN from) (NP (NP (NP (DT the) (JJ 10th) (CC and) (JJ 90th) (NN percentile)) (, ,) (ADVP (RB respectively)) (, ,)) (PP (IN of) (NP (JJ PMSD) (NNS data))))) (PP (IN from) (NP (NP (NP (NNP EPA) (POS 's)) (NNP WET) (NNP Interlaboratory) (NNP Variability) (NNP Study)) (PRN (-LRB- -LRB-) (NP (NNP USEPA) (, ,) (NNP 2001a)) (: ;) (NP (NP (NNP USEPA)) (, ,) (NP (NNS 2001b))) (-RRB- -RRB-)))))) (. .)))
Lower and upper PMSD limits were determined via a random draw from a magician's hat.
( ( ( Lower and ) ( upper ( PMSD limits ) ) ) ( ( were ( determined ( via ( ( a ( random draw ) ) ( from ( ( a ( magician 's ) ) hat ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJR Lower)) (CC and) (NP (JJ upper) (JJ PMSD) (NNS limits))) (VP (VBD were) (VP (VBN determined) (PP (IN via) (NP (NP (DT a) (JJ random) (NN draw)) (PP (IN from) (NP (NP (DT a) (NN magician) (POS 's)) (NN hat))))))) (. .)))