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<br />El.l.O <br /> <br />Table 8. Comparison of environmental and pre-processing split-replicate samples for trace elements <br /> <br />[Env". environmental ~ample; Split. pre-processing spli\-replicate sumpJe: Oiff. 1. difference in unHS of constiruent: Diff. 2, difference in lowest munding unit: lowest rounding unit is equal to lhe <br />magn.itud~ of the least significant figure: IlglL, microgram~ per Iller; shaded cells represent differences ~a[erfhan plus or minus 1 lowesl TfJunding unil; <. value]~ Jess ,han Ihe laboratory minimum <br />reportmg level] <br /> <br /> Arsenic Aluminum Antimony Barium <br /> Station Date Env. Split Dill. 1 Env. Split Dill. 1 Env. Split Dill. 1 Env. Split Dill. 1 <br /> (~glL) (~glL) (~g/L) Dill. 2 (~glL) (~glL) (~g/L) Dill. 2 (~glL) (~glL) (~g/L) Dill. 2 <I1g/L) (~glLl (~g/L) Dill. 2 <br /> Uncompahgre 072596 2 2 0 0 50 50 0 0 <i <I 0 0 4\ 4t 0 0 <br /> French 090996 <I <i 0 0 5 4 1 i <I <I 0 0 23 22 I I <br /> Maximum difference 0 0 I I 0 0 I \ <br /> Number of samples with 2 2 I I 2 2 I I <br /> no difference <br /> Number of samples 2 2 2 2 <br /> within plus or minus I <br /> Jowe!\t rounding unit <br /> BeryJJium Cadmium Chromium Cobalt <br /> Station Date Env. Split Dill. 1 Env. Spill Diff.1 Env. Split Dill. 1 Env. Split Dill. 1 <br /> (~glL) (~glL) (~glL) Dill. 2 (~glL) <I1glL) (~glL) Dill. 2 (~glL) (~glL) (~glL) Dill. 2 (~g/L) (~glLl (~glL) Dill. 2 <br />0 Uncompahgre 072596 <I <I 0 0 I I 0 0 1 <I 0.5 0.5 <I <I 0 0 <br />c: <br />)0 French 090996 <I <\ 0 0 7 7 0 0 <I <I 0 0 <I <i 0 0 <br />.... <br />=< Maximum difference 0 0 0 0 0.5 0.5 0 0 <br />-< <br /><> Number of samples with 2 2 2 2 I I 2 2 <br />0 no difference <br />Z <br />.... 2 <br />'" Number of samples 2 2 2 <br />0 <br />.... within plus or minus I <br />Ul lowest rounding unit <br />)0 <br />3: <br />"'ll <br />.... <br />Z <br />Cl <br />"'ll <br />'" <br />0 <br />Cl <br />'" <br />)0 <br />3: <br />~ <br />'" <br />